adds vendor directory

vendors dependencies in standard `vendor` directory, managed by glide

vendor/github.com/mattn/go-gtk/example/toolpalette/toolpalette.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"fmt"
+	"github.com/mattn/go-gtk/glib"
+	"github.com/mattn/go-gtk/gtk"
+)
+
+func main() {
+	gtk.Init(nil)
+	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
+	window.SetPosition(gtk.WIN_POS_CENTER)
+	window.SetTitle("GTK Go!")
+	window.Connect("destroy", func(ctx *glib.CallbackContext) {
+		gtk.MainQuit()
+	}, "")
+
+	box := gtk.NewHPaned()
+
+	palette := gtk.NewToolPalette()
+	group := gtk.NewToolItemGroup("Tools")
+	b := gtk.NewToolButtonFromStock(gtk.STOCK_NEW)
+	b.OnClicked(func() { fmt.Println("You clicked new!") })
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_CLOSE)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_REDO)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_REFRESH)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_QUIT)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_YES)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_NO)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_PRINT)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_NETWORK)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_INFO)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_HOME)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_INDEX)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_FIND)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_FILE)
+	group.Insert(b, -1)
+	b = gtk.NewToolButtonFromStock(gtk.STOCK_EXECUTE)
+	group.Insert(b, -1)
+	palette.Add(group)
+
+	bcopy := gtk.NewToolButtonFromStock(gtk.STOCK_COPY)
+	bcut := gtk.NewToolButtonFromStock(gtk.STOCK_CUT)
+	bdelete := gtk.NewToolButtonFromStock(gtk.STOCK_DELETE)
+
+	group = gtk.NewToolItemGroup("Stuff")
+	group.Insert(bcopy, -1)
+	group.Insert(bcut, -1)
+	group.Insert(bdelete, -1)
+	palette.Add(group)
+
+	frame := gtk.NewVBox(false, 1)
+	align := gtk.NewAlignment(0, 0, 0, 0)
+	image := gtk.NewImageFromFile("./turkey.jpg")
+	align.Add(image)
+	frame.Add(align)
+
+	box.Pack1(palette, true, false)
+	box.Pack2(frame, false, false)
+
+	window.Add(box)
+	window.SetSizeRequest(600, 600)
+	window.ShowAll()
+	gtk.Main()
+}