Add basic go-thrust command tool

Signed-off-by: Francis Bouvier <francis.bouvier@xerus-technologies.fr>

Author: Francis Bouvier

main.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/codegangsta/cli"
+	"github.com/miketheprogrammer/go-thrust/lib/spawn"
+)
+
+func install(c *cli.Context) {
+	spawn.SetBaseDirectory("") // Default to usr.homedir.
+	tp := spawn.NewThrustProvisioner()
+	if err := tp.Provision(); err != nil {
+		panic(err)
+	}
+	fmt.Println("Thrust installed")
+}
+
+func main() {
+	app := cli.NewApp()
+	app.Name = "go-thrust"
+	app.Usage = "Tools to developp Thrust applications in Go"
+
+	app.Commands = []cli.Command{
+		{
+			Name:      "install",
+			ShortName: "i",
+			Usage:     "Install Thrust",
+			Action: func(c *cli.Context) {
+				install(c)
+			},
+		},
+	}
+
+	app.Run(os.Args)
+}