diff --git a/vendor/github.com/moul/gotty-client/LICENSE b/vendor/github.com/moul/gotty-client/LICENSE
deleted file mode 100644
index 492e2c629..000000000
--- a/vendor/github.com/moul/gotty-client/LICENSE
+++ /dev/null
@@ -1,22 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2015 Manfred Touron
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
diff --git a/vendor/github.com/moul/gotty-client/Makefile b/vendor/github.com/moul/gotty-client/Makefile
deleted file mode 100644
index 4952ef990..000000000
--- a/vendor/github.com/moul/gotty-client/Makefile
+++ /dev/null
@@ -1,81 +0,0 @@
-# Project-specific variables
-BINARIES ?=	gotty-client
-GOTTY_URL := http://localhost:8081/
-VERSION :=	$(shell cat .goxc.json | jq -c .PackageVersion | sed 's/"//g')
-
-CONVEY_PORT ?=	9042
-
-
-# Common variables
-SOURCES :=	$(shell find . -type f -name "*.go")
-COMMANDS :=	$(shell go list ./... | grep -v /vendor/ | grep /cmd/)
-PACKAGES :=	$(shell go list ./... | grep -v /vendor/ | grep -v /cmd/)
-GOENV ?=	GO15VENDOREXPERIMENT=1
-GO ?=		$(GOENV) go
-GODEP ?=	$(GOENV) godep
-USER ?=		$(shell whoami)
-
-
-all:	build
-
-
-.PHONY: build
-build:	$(BINARIES)
-
-
-.PHONY: install
-install:
-	$(GO) install ./cmd/gotty-client
-
-
-$(BINARIES):	$(SOURCES)
-	$(GO) build -o $@ ./cmd/$@
-
-
-.PHONY: test
-test:
-	$(GO) get -t .
-	$(GO) test -v .
-
-
-.PHONY: godep-save
-godep-save:
-	$(GODEP) save $(PACKAGES) $(COMMANDS)
-
-
-.PHONY: clean
-clean:
-	rm -f $(BINARIES)
-
-
-.PHONY: re
-re:	clean all
-
-
-.PHONY: convey
-convey:
-	$(GO) get github.com/smartystreets/goconvey
-	goconvey -cover -port=$(CONVEY_PORT) -workDir="$(realpath .)" -depth=1
-
-
-.PHONY:	cover
-cover:	profile.out
-
-
-profile.out:	$(SOURCES)
-	rm -f $@
-	$(GO) test -covermode=count -coverpkg=. -coverprofile=$@ .
-
-
-.PHONY: docker-build
-docker-build:
-	go get github.com/laher/goxc
-	rm -rf contrib/docker/linux_386
-	for binary in $(BINARIES); do                                             \
-	  goxc -bc="linux,386" -d . -pv contrib/docker -n $$binary xc;            \
-	  mv contrib/docker/linux_386/$$binary contrib/docker/entrypoint;         \
-	  docker build -t $(USER)/$$binary contrib/docker;                        \
-	  docker run -it --rm $(USER)/$$binary || true;                           \
-	  docker inspect --type=image --format="{{ .Id }}" moul/$$binary || true; \
-	  echo "Now you can run 'docker push $(USER)/$$binary'";                  \
-	done
diff --git a/vendor/github.com/moul/gotty-client/README.md b/vendor/github.com/moul/gotty-client/README.md
deleted file mode 100644
index 2fb562b32..000000000
--- a/vendor/github.com/moul/gotty-client/README.md
+++ /dev/null
@@ -1,201 +0,0 @@
-# gotty-client
-:wrench: Terminal client for [GoTTY](https://github.com/yudai/gotty).
-
-![](https://raw.githubusercontent.com/moul/gotty-client/master/resources/gotty-client.png)
-
-[![Build Status](https://travis-ci.org/moul/gotty-client.svg?branch=master)](https://travis-ci.org/moul/gotty-client)
-[![GoDoc](https://godoc.org/github.com/moul/gotty-client?status.svg)](https://godoc.org/github.com/moul/gotty-client)
-
-```ruby
-                                                             ┌─────────────────┐
-                                                     ┌──────▶│    /bin/bash    │
-                                                     │       └─────────────────┘
-                ┌──────────────┐               ┌──────────┐
-                │              │               │  Gotty   │
-┌───────┐   ┌──▶│   Browser    │───────┐       │          │
-│       │   │   │              │       │       │          │
-│       │   │   └──────────────┘       │       │          │  ┌─────────────────┐
-│  Bob  │───┤                      websockets─▶│          │─▶│ emacs /var/www  │
-│       │   │   ╔═ ══ ══ ══ ══ ╗       │       │          │  └─────────────────┘
-│       │   │   ║              ║       │       │          │
-└───────┘   └──▶║ gotty-client  ───────┘       │          │
-                               ║               │          │
-                ╚═ ══ ══ ══ ══ ╝               └──────────┘
-                                                     │       ┌─────────────────┐
-                                                     └──────▶│   tmux attach   │
-                                                             └─────────────────┘
-```
-
-## Example
-
-Server side ([GoTTY](https://github.com/yudai/gotty))
-
-```console
-$ gotty -p 9191 sh -c 'while true; do date; sleep 1; done'
-2015/08/24 18:54:31 Server is starting with command: sh -c while true; do date; sleep 1; done
-2015/08/24 18:54:31 URL: http://[::1]:9191/
-2015/08/24 18:54:34 GET /ws
-2015/08/24 18:54:34 New client connected: 127.0.0.1:61811
-2015/08/24 18:54:34 Command is running for client 127.0.0.1:61811 with PID 64834
-2015/08/24 18:54:39 Command exited for: 127.0.0.1:61811
-2015/08/24 18:54:39 Connection closed: 127.0.0.1:61811
-...
-```
-
-**Client side**
-
-```console
-$ gotty-client http://localhost:9191/
-INFO[0000] New title: GoTTY - sh -c while true; do date; sleep 1; done (jean-michel-van-damme.local)
-WARN[0000] Unhandled protocol message: json pref: 2{}
-Mon Aug 24 18:54:34 CEST 2015
-Mon Aug 24 18:54:35 CEST 2015
-Mon Aug 24 18:54:36 CEST 2015
-Mon Aug 24 18:54:37 CEST 2015
-Mon Aug 24 18:54:38 CEST 2015
-^C
-```
-
-## Usage
-
-```console
-$ gotty-client -h
-NAME:
-   gotty-client - GoTTY client for your terminal
-
-USAGE:
-   gotty-client [global options] command [command options] GOTTY_URL
-
-VERSION:
-   1.3.0+
-
-AUTHOR(S):
-   Manfred Touron <https://github.com/moul/gotty-client>
-
-COMMANDS:
-   help, h	Shows a list of commands or help for one command
-
-GLOBAL OPTIONS:
-   --debug, -D		Enable debug mode [$GOTTY_CLIENT_DEBUG]
-   --help, -h		show help
-   --version, -v	print the version
-```
-
-## Install
-
-Install latest version using Golang (recommended)
-
-```console
-$ go get github.com/moul/gotty-client/cmd/gotty-client
-```
-
----
-
-Install latest version using Homebrew (Mac OS X)
-
-```console
-$ brew install https://raw.githubusercontent.com/moul/gotty-client/master/contrib/homebrew/gotty-client.rb --HEAD
-```
-
-or the latest released version
-
-```console
-$ brew install https://raw.githubusercontent.com/moul/gotty-client/master/contrib/homebrew/gotty-client.rb
-```
-
-## Changelog
-
-### master (unreleased)
-
-* No entry
-
-[full commits list](https://github.com/moul/gotty-client/compare/v1.6.1...master)
-
-### [v1.6.1](https://github.com/moul/gotty-client/releases/tag/v1.6.1) (2017-01-19)
-
-* Do not exit on EOF ([#45](https://github.com/moul/gotty-client/pull/45)) ([@gurjeet](https://github.com/gurjeet))
-
-[full commits list](https://github.com/moul/gotty-client/compare/v1.6.0...v1.6.1)
-
-### [v1.6.0](https://github.com/moul/gotty-client/releases/tag/v1.6.0) (2016-05-23)
-
-* Support of `--use-proxy-from-env` (Add Proxy support) ([#36](https://github.com/moul/gotty-client/pull/36)) ([@byung2](https://github.com/byung2))
-* Add debug mode ([#18](https://github.com/moul/gotty-client/issues/18))
-* Fix argument passing ([#16](https://github.com/moul/gotty-client/issues/16))
-* Remove warnings + golang fixes and refactoring ([@QuentinPerez](https://github.com/QuentinPerez))
-
-[full commits list](https://github.com/moul/gotty-client/compare/v1.5.0...v1.6.0)
-
-### [v1.5.0](https://github.com/moul/gotty-client/releases/tag/v1.5.0) (2016-02-18)
-
-* Add autocomplete support ([#19](https://github.com/moul/gotty-client/issues/19))
-* Switch from `Party` to `Godep`
-* Fix terminal data being interpreted as format string ([#34](https://github.com/moul/gotty-client/pull/34)) ([@mickael9](https://github.com/mickael9))
-
-[full commits list](https://github.com/moul/gotty-client/compare/v1.4.0...v1.5.0)
-
-### [v1.4.0](https://github.com/moul/gotty-client/releases/tag/v1.4.0) (2015-12-09)
-
-* Remove solaris,plan9,nacl for `.goxc.json`
-* Add an error if the go version is lower than 1.5
-* Flexible parsing of the input URL
-* Add tests
-* Support of `--skip-tls-verify`
-
-[full commits list](https://github.com/moul/gotty-client/compare/v1.3.0...v1.4.0)
-
-### [v1.3.0](https://github.com/moul/gotty-client/releases/tag/v1.3.0) (2015-10-27)
-
-* Fix `connected` state when using `Connect()` + `Loop()` methods
-* Add `ExitLoop` which allow to exit from `Loop` function
-
-[full commits list](https://github.com/moul/gotty-client/compare/v1.2.0...v1.3.0)
-
-### [v1.2.0](https://github.com/moul/gotty-client/releases/tag/v1.2.0) (2015-10-23)
-
-* Removed an annoying warning when exiting connection ([#22](https://github.com/moul/gotty-client/issues/22)) ([@QuentinPerez](https://github.com/QuentinPerez))
-* Add the ability to configure alternative stdout ([#21](https://github.com/moul/gotty-client/issues/21)) ([@QuentinPerez](https://github.com/QuentinPerez))
-* Refactored the goroutine system with select, improve speed and stability ([@QuentinPerez](https://github.com/QuentinPerez))
-* Add debug mode (`--debug`/`-D`) ([#18](https://github.com/moul/gotty-client/issues/18))
-* Improve error message when connecting by checking HTTP status code
-* Fix arguments passing ([#16](https://github.com/moul/gotty-client/issues/16))
-* Dropped support for golang<1.5
-* Small fixes
-
-[full commits list](https://github.com/moul/gotty-client/compare/v1.1.0...v1.2.0)
-
-### [v1.1.0](https://github.com/moul/gotty-client/releases/tag/v1.1.0) (2015-10-10)
-
-* Handling arguments + using mutexes (thanks to [@QuentinPerez](https://github.com/QuentinPerez))
-* Add logo ([#9](https://github.com/moul/gotty-client/issues/9))
-* Using codegansta/cli for CLI parsing ([#3](https://github.com/moul/gotty-client/issues/3))
-* Fix panic when running on older GoTTY server ([#13](https://github.com/moul/gotty-client/issues/13))
-* Add 'homebrew support' ([#1](https://github.com/moul/gotty-client/issues/1))
-* Add Changelog ([#5](https://github.com/moul/gotty-client/issues/5))
-* Add GOXC configuration to build binaries for multiple architectures ([#2](https://github.com/moul/gotty-client/issues/2))
-
-[full commits list](https://github.com/moul/gotty-client/compare/v1.0.1...v1.1.0)
-
-### [v1.0.1](https://github.com/moul/gotty-client/releases/tag/v1.0.1) (2015-09-27)
-
-* Using party to manage dependencies
-
-[full commits list](https://github.com/moul/gotty-client/compare/v1.0.0...v1.0.1)
-
-### [v1.0.0](https://github.com/moul/gotty-client/releases/tag/v1.0.0) (2015-09-27)
-
-Compatible with [GoTTY](https://github.com/yudai/gotty) version: [v0.0.10](https://github.com/yudai/gotty/releases/tag/v0.0.10)
-
-#### Features
-
-* Support **basic-auth**
-* Support **terminal-(re)size**
-* Support **write**
-* Support **title**
-* Support **custom URI**
-
-[full commits list](https://github.com/moul/gotty-client/compare/cf0c1146c7ce20fe0bd65764c13253bc575cd43a...v1.0.0)
-
-## License
-
-MIT
diff --git a/vendor/github.com/moul/gotty-client/arch.go b/vendor/github.com/moul/gotty-client/arch.go
deleted file mode 100644
index d856fbd2c..000000000
--- a/vendor/github.com/moul/gotty-client/arch.go
+++ /dev/null
@@ -1,34 +0,0 @@
-// +build !windows
-
-package gottyclient
-
-import (
-	"encoding/json"
-	"fmt"
-	"os"
-	"os/signal"
-	"syscall"
-	"unsafe"
-)
-
-func notifySignalSIGWINCH(c chan<- os.Signal) {
-	signal.Notify(c, syscall.SIGWINCH)
-}
-
-func resetSignalSIGWINCH() {
-	signal.Reset(syscall.SIGWINCH)
-}
-
-func syscallTIOCGWINSZ() ([]byte, error) {
-	ws := winsize{}
-
-	syscall.Syscall(syscall.SYS_IOCTL,
-		uintptr(0), uintptr(syscall.TIOCGWINSZ),
-		uintptr(unsafe.Pointer(&ws)))
-
-	b, err := json.Marshal(ws)
-	if err != nil {
-		return nil, fmt.Errorf("json.Marshal error: %v", err)
-	}
-	return b, err
-}
diff --git a/vendor/github.com/moul/gotty-client/arch_windows.go b/vendor/github.com/moul/gotty-client/arch_windows.go
deleted file mode 100644
index 53aaffc5f..000000000
--- a/vendor/github.com/moul/gotty-client/arch_windows.go
+++ /dev/null
@@ -1,16 +0,0 @@
-package gottyclient
-
-import (
-	"errors"
-	"os"
-)
-
-func notifySignalSIGWINCH(c chan<- os.Signal) {
-}
-
-func resetSignalSIGWINCH() {
-}
-
-func syscallTIOCGWINSZ() ([]byte, error) {
-	return nil, errors.New("SIGWINCH isn't supported on this ARCH")
-}
diff --git a/vendor/github.com/moul/gotty-client/glide.lock b/vendor/github.com/moul/gotty-client/glide.lock
deleted file mode 100644
index 61d5aeee3..000000000
--- a/vendor/github.com/moul/gotty-client/glide.lock
+++ /dev/null
@@ -1,37 +0,0 @@
-hash: 5ba4ef945563e8e85097f2699126b1577f9c667fdbbcdd71604e553ab7dd2a03
-updated: 2017-02-04T23:03:32.03375088+01:00
-imports:
-- name: github.com/codegangsta/cli
-  version: 2ae9042f5bcbaf15b01229f8395ba8e72e01bded
-- name: github.com/creack/goselect
-  version: 40085cf5fd629ccd88dc328895f1f137d09a1de4
-- name: github.com/gopherjs/gopherjs
-  version: db27c7c470d7404b6b201f82d6fd4821260bd13e
-  subpackages:
-  - js
-- name: github.com/gorilla/websocket
-  version: 1f512fc3f05332ba7117626cdfb4e07474e58e60
-- name: github.com/jtolds/gls
-  version: 8ddce2a84170772b95dd5d576c48d517b22cac63
-- name: github.com/Sirupsen/logrus
-  version: cd7d1bbe41066b6c1f19780f895901052150a575
-- name: github.com/smartystreets/assertions
-  version: 40711f7748186bbf9c99977cd89f21ce1a229447
-  subpackages:
-  - internal/go-render/render
-  - internal/oglematchers
-- name: github.com/smartystreets/goconvey
-  version: d4c757aa9afd1e2fc1832aaab209b5794eb336e1
-  subpackages:
-  - convey
-  - convey/gotest
-  - convey/reporting
-- name: golang.org/x/crypto
-  version: 5bcd134fee4dd1475da17714aac19c0aa0142e2f
-  subpackages:
-  - ssh/terminal
-- name: golang.org/x/sys
-  version: d4feaf1a7e61e1d9e79e6c4e76c6349e9cab0a03
-  subpackages:
-  - unix
-testImports: []
diff --git a/vendor/github.com/moul/gotty-client/glide.yaml b/vendor/github.com/moul/gotty-client/glide.yaml
deleted file mode 100644
index 287efb9d8..000000000
--- a/vendor/github.com/moul/gotty-client/glide.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-package: github.com/moul/gotty-client
-import:
-- package: github.com/Sirupsen/logrus
-  version: cd7d1bbe41066b6c1f19780f895901052150a575
-- package: github.com/codegangsta/cli
-  version: 2ae9042f5bcbaf15b01229f8395ba8e72e01bded
-- package: github.com/creack/goselect
-  version: 40085cf5fd629ccd88dc328895f1f137d09a1de4
-- package: github.com/gopherjs/gopherjs
-  version: db27c7c470d7404b6b201f82d6fd4821260bd13e
-  subpackages:
-  - js
-- package: github.com/gorilla/websocket
-  version: 1f512fc3f05332ba7117626cdfb4e07474e58e60
-- package: github.com/jtolds/gls
-  version: 8ddce2a84170772b95dd5d576c48d517b22cac63
-- package: github.com/smartystreets/assertions
-  version: 40711f7748186bbf9c99977cd89f21ce1a229447
-  subpackages:
-  - internal/go-render/render
-  - internal/oglematchers
-- package: github.com/smartystreets/goconvey
-  version: d4c757aa9afd1e2fc1832aaab209b5794eb336e1
-  subpackages:
-  - convey
-  - convey/gotest
-  - convey/reporting
-- package: golang.org/x/crypto
-  version: 5bcd134fee4dd1475da17714aac19c0aa0142e2f
-  subpackages:
-  - ssh/terminal
-- package: golang.org/x/sys
-  version: d4feaf1a7e61e1d9e79e6c4e76c6349e9cab0a03
-  subpackages:
-  - unix
diff --git a/vendor/github.com/moul/gotty-client/gotty-client.go b/vendor/github.com/moul/gotty-client/gotty-client.go
deleted file mode 100644
index 35e599d9b..000000000
--- a/vendor/github.com/moul/gotty-client/gotty-client.go
+++ /dev/null
@@ -1,469 +0,0 @@
-package gottyclient
-
-import (
-	"crypto/tls"
-	"encoding/base64"
-	"encoding/json"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"net/url"
-	"os"
-	"regexp"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/Sirupsen/logrus"
-	"github.com/creack/goselect"
-	"github.com/gorilla/websocket"
-	"golang.org/x/crypto/ssh/terminal"
-)
-
-// GetAuthTokenURL transforms a GoTTY http URL to its AuthToken file URL
-func GetAuthTokenURL(httpURL string) (*url.URL, *http.Header, error) {
-	header := http.Header{}
-	target, err := url.Parse(httpURL)
-	if err != nil {
-		return nil, nil, err
-	}
-
-	target.Path = strings.TrimLeft(target.Path+"auth_token.js", "/")
-
-	if target.User != nil {
-		header.Add("Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte(target.User.String())))
-		target.User = nil
-	}
-
-	return target, &header, nil
-}
-
-// GetURLQuery returns url.query
-func GetURLQuery(rawurl string) (url.Values, error) {
-	target, err := url.Parse(rawurl)
-	if err != nil {
-		return nil, err
-	}
-	return target.Query(), nil
-}
-
-// GetWebsocketURL transforms a GoTTY http URL to its WebSocket URL
-func GetWebsocketURL(httpURL string) (*url.URL, *http.Header, error) {
-	header := http.Header{}
-	target, err := url.Parse(httpURL)
-	if err != nil {
-		return nil, nil, err
-	}
-
-	if target.Scheme == "https" {
-		target.Scheme = "wss"
-	} else {
-		target.Scheme = "ws"
-	}
-
-	target.Path = strings.TrimLeft(target.Path+"ws", "/")
-
-	if target.User != nil {
-		header.Add("Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte(target.User.String())))
-		target.User = nil
-	}
-
-	return target, &header, nil
-}
-
-type Client struct {
-	Dialer          *websocket.Dialer
-	Conn            *websocket.Conn
-	URL             string
-	WriteMutex      *sync.Mutex
-	Output          io.Writer
-	poison          chan bool
-	SkipTLSVerify   bool
-	UseProxyFromEnv bool
-	Connected       bool
-}
-
-type querySingleType struct {
-	AuthToken string `json:"AuthToken"`
-	Arguments string `json:"Arguments"`
-}
-
-func (c *Client) write(data []byte) error {
-	c.WriteMutex.Lock()
-	defer c.WriteMutex.Unlock()
-	return c.Conn.WriteMessage(websocket.TextMessage, data)
-}
-
-// GetAuthToken retrieves an Auth Token from dynamic auth_token.js file
-func (c *Client) GetAuthToken() (string, error) {
-	target, header, err := GetAuthTokenURL(c.URL)
-	if err != nil {
-		return "", err
-	}
-
-	logrus.Debugf("Fetching auth token auth-token: %q", target.String())
-	req, err := http.NewRequest("GET", target.String(), nil)
-	req.Header = *header
-	tr := &http.Transport{}
-	if c.SkipTLSVerify {
-		conf := &tls.Config{InsecureSkipVerify: true}
-		tr.TLSClientConfig = conf
-	}
-	if c.UseProxyFromEnv {
-		tr.Proxy = http.ProxyFromEnvironment
-	}
-	client := &http.Client{Transport: tr}
-	resp, err := client.Do(req)
-	if err != nil {
-		return "", err
-	}
-
-	switch resp.StatusCode {
-	case 200:
-		// Everything is OK
-	default:
-		return "", fmt.Errorf("unknown status code: %d (%s)", resp.StatusCode, http.StatusText(resp.StatusCode))
-	}
-
-	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		return "", err
-	}
-
-	re := regexp.MustCompile("var gotty_auth_token = '(.*)'")
-	output := re.FindStringSubmatch(string(body))
-	if len(output) == 0 {
-		return "", fmt.Errorf("Cannot fetch GoTTY auth-token, please upgrade your GoTTY server.")
-	}
-
-	return output[1], nil
-}
-
-// Connect tries to dial a websocket server
-func (c *Client) Connect() error {
-	// Retrieve AuthToken
-	authToken, err := c.GetAuthToken()
-	if err != nil {
-		return err
-	}
-	logrus.Debugf("Auth-token: %q", authToken)
-
-	// Open WebSocket connection
-	target, header, err := GetWebsocketURL(c.URL)
-	if err != nil {
-		return err
-	}
-	logrus.Debugf("Connecting to websocket: %q", target.String())
-	if c.SkipTLSVerify {
-		c.Dialer.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
-	}
-	if c.UseProxyFromEnv {
-		c.Dialer.Proxy = http.ProxyFromEnvironment
-	}
-	conn, _, err := c.Dialer.Dial(target.String(), *header)
-	if err != nil {
-		return err
-	}
-	c.Conn = conn
-	c.Connected = true
-
-	// Pass arguments and auth-token
-	query, err := GetURLQuery(c.URL)
-	if err != nil {
-		return err
-	}
-	querySingle := querySingleType{
-		Arguments: "?" + query.Encode(),
-		AuthToken: authToken,
-	}
-	json, err := json.Marshal(querySingle)
-	if err != nil {
-		logrus.Errorf("Failed to parse init message %v", err)
-		return err
-	}
-	// Send Json
-	logrus.Debugf("Sending arguments and auth-token")
-	err = c.write(json)
-	if err != nil {
-		return err
-	}
-
-	go c.pingLoop()
-
-	return nil
-}
-
-func (c *Client) pingLoop() {
-	for {
-		logrus.Debugf("Sending ping")
-		c.write([]byte("1"))
-		time.Sleep(30 * time.Second)
-	}
-}
-
-// Close will nicely close the dialer
-func (c *Client) Close() {
-	c.Conn.Close()
-}
-
-// ExitLoop will kill all goroutines launched by c.Loop()
-// ExitLoop() -> wait Loop() -> Close()
-func (c *Client) ExitLoop() {
-	fname := "ExitLoop"
-	openPoison(fname, c.poison)
-}
-
-// Loop will look indefinitely for new messages
-func (c *Client) Loop() error {
-	if !c.Connected {
-		err := c.Connect()
-		if err != nil {
-			return err
-		}
-	}
-
-	wg := &sync.WaitGroup{}
-
-	wg.Add(1)
-	go c.termsizeLoop(wg)
-
-	wg.Add(1)
-	go c.readLoop(wg)
-
-	wg.Add(1)
-	go c.writeLoop(wg)
-
-	/* Wait for all of the above goroutines to finish */
-	wg.Wait()
-
-	logrus.Debug("Client.Loop() exiting")
-	return nil
-}
-
-type winsize struct {
-	Rows    uint16 `json:"rows"`
-	Columns uint16 `json:"columns"`
-	// unused
-	x uint16
-	y uint16
-}
-
-type posionReason int
-
-const (
-	committedSuicide = iota
-	killed
-)
-
-func openPoison(fname string, poison chan bool) posionReason {
-	logrus.Debug(fname + " suicide")
-
-	/*
-	 * The close() may raise panic if multiple goroutines commit suicide at the
-	 * same time. Prevent that panic from bubbling up.
-	 */
-	defer func() {
-		if r := recover(); r != nil {
-			logrus.Debug("Prevented panic() of simultaneous suicides", r)
-		}
-	}()
-
-	/* Signal others to die */
-	close(poison)
-	return committedSuicide
-}
-
-func die(fname string, poison chan bool) posionReason {
-	logrus.Debug(fname + " died")
-
-	wasOpen := <-poison
-	if wasOpen {
-		logrus.Error("ERROR: The channel was open when it wasn't suppoed to be")
-	}
-
-	return killed
-}
-
-func (c *Client) termsizeLoop(wg *sync.WaitGroup) posionReason {
-
-	defer wg.Done()
-	fname := "termsizeLoop"
-
-	ch := make(chan os.Signal, 1)
-	notifySignalSIGWINCH(ch)
-	defer resetSignalSIGWINCH()
-
-	for {
-		if b, err := syscallTIOCGWINSZ(); err != nil {
-			logrus.Warn(err)
-		} else {
-			if err = c.write(append([]byte("2"), b...)); err != nil {
-				logrus.Warnf("ws.WriteMessage failed: %v", err)
-			}
-		}
-		select {
-		case <-c.poison:
-			/* Somebody poisoned the well; die */
-			return die(fname, c.poison)
-		case <-ch:
-		}
-	}
-}
-
-type exposeFd interface {
-	Fd() uintptr
-}
-
-func (c *Client) writeLoop(wg *sync.WaitGroup) posionReason {
-
-	defer wg.Done()
-	fname := "writeLoop"
-
-	buff := make([]byte, 128)
-	oldState, err := terminal.MakeRaw(0)
-	if err == nil {
-		defer terminal.Restore(0, oldState)
-	}
-
-	rdfs := &goselect.FDSet{}
-	reader := io.Reader(os.Stdin)
-	for {
-		select {
-		case <-c.poison:
-			/* Somebody poisoned the well; die */
-			return die(fname, c.poison)
-		default:
-		}
-
-		rdfs.Zero()
-		rdfs.Set(reader.(exposeFd).Fd())
-		err := goselect.Select(1, rdfs, nil, nil, 50*time.Millisecond)
-		if err != nil {
-			return openPoison(fname, c.poison)
-		}
-		if rdfs.IsSet(reader.(exposeFd).Fd()) {
-			size, err := reader.Read(buff)
-
-			if err != nil {
-				if err == io.EOF {
-					// Send EOF to GoTTY
-
-					// Send 'Input' marker, as defined in GoTTY::client_context.go,
-					// followed by EOT (a translation of Ctrl-D for terminals)
-					err = c.write(append([]byte("0"), byte(4)))
-
-					if err != nil {
-						return openPoison(fname, c.poison)
-					}
-					continue
-				} else {
-					return openPoison(fname, c.poison)
-				}
-			}
-
-			if size <= 0 {
-				continue
-			}
-
-			data := buff[:size]
-			err = c.write(append([]byte("0"), data...))
-			if err != nil {
-				return openPoison(fname, c.poison)
-			}
-		}
-	}
-}
-
-func (c *Client) readLoop(wg *sync.WaitGroup) posionReason {
-
-	defer wg.Done()
-	fname := "readLoop"
-
-	type MessageNonBlocking struct {
-		Data []byte
-		Err  error
-	}
-	msgChan := make(chan MessageNonBlocking)
-
-	for {
-		go func() {
-			_, data, err := c.Conn.ReadMessage()
-			msgChan <- MessageNonBlocking{Data: data, Err: err}
-		}()
-
-		select {
-		case <-c.poison:
-			/* Somebody poisoned the well; die */
-			return die(fname, c.poison)
-		case msg := <-msgChan:
-			if msg.Err != nil {
-
-				if _, ok := msg.Err.(*websocket.CloseError); !ok {
-					logrus.Warnf("c.Conn.ReadMessage: %v", msg.Err)
-				}
-				return openPoison(fname, c.poison)
-			}
-			if len(msg.Data) == 0 {
-
-				logrus.Warnf("An error has occured")
-				return openPoison(fname, c.poison)
-			}
-			switch msg.Data[0] {
-			case '0': // data
-				buf, err := base64.StdEncoding.DecodeString(string(msg.Data[1:]))
-				if err != nil {
-					logrus.Warnf("Invalid base64 content: %q", msg.Data[1:])
-					break
-				}
-				c.Output.Write(buf)
-			case '1': // pong
-			case '2': // new title
-				newTitle := string(msg.Data[1:])
-				fmt.Fprintf(c.Output, "\033]0;%s\007", newTitle)
-			case '3': // json prefs
-				logrus.Debugf("Unhandled protocol message: json pref: %s", string(msg.Data[1:]))
-			case '4': // autoreconnect
-				logrus.Debugf("Unhandled protocol message: autoreconnect: %s", string(msg.Data))
-			default:
-				logrus.Warnf("Unhandled protocol message: %s", string(msg.Data))
-			}
-		}
-	}
-}
-
-// SetOutput changes the output stream
-func (c *Client) SetOutput(w io.Writer) {
-	c.Output = w
-}
-
-// ParseURL parses an URL which may be incomplete and tries to standardize it
-func ParseURL(input string) (string, error) {
-	parsed, err := url.Parse(input)
-	if err != nil {
-		return "", err
-	}
-	switch parsed.Scheme {
-	case "http", "https":
-		// everything is ok
-	default:
-		return ParseURL(fmt.Sprintf("http://%s", input))
-	}
-	return parsed.String(), nil
-}
-
-// NewClient returns a GoTTY client object
-func NewClient(inputURL string) (*Client, error) {
-	url, err := ParseURL(inputURL)
-	if err != nil {
-		return nil, err
-	}
-	return &Client{
-		Dialer:     &websocket.Dialer{},
-		URL:        url,
-		WriteMutex: &sync.Mutex{},
-		Output:     os.Stdout,
-		poison:     make(chan bool),
-	}, nil
-}
diff --git a/vendor/vendor.json b/vendor/vendor.json
index e1cfb05c8..db91cae4f 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -2445,12 +2445,6 @@
 			"revision": "609b752a95effbbef26d134ac18ed6f57e01b98e",
 			"revisionTime": "2016-02-22T16:21:17Z"
 		},
-		{
-			"checksumSHA1": "WcXDSYIAP73RAvy22iD57nE/peI=",
-			"path": "github.com/moul/gotty-client",
-			"revision": "99224eea3278d662fce9124bb2bf6c2bb39f5160",
-			"revisionTime": "2017-02-05T09:54:39Z"
-		},
 		{
 			"checksumSHA1": "/iig5lYSPCL3C8J7e4nTAevYNDE=",
 			"comment": "v0.2.0-8-g841842b",