[gnome-boxes] app: Add action to launch a box by name

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 48ff6174422546e5f03af6a78d9e58ee8270e9bb
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Tue May 19 13:38:11 2015 +0100

    app: Add action to launch a box by name
    
    https://bugzilla.gnome.org/show_bug.cgi?id=746751

 src/app.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/app.vala b/src/app.vala
index b3f8a38..ac2a646 100644
--- a/src/app.vala
+++ b/src/app.vala
@@ -78,6 +78,10 @@ private class Boxes.App: Gtk.Application {
         });
         add_action (action);
 
+        action = new GLib.SimpleAction ("launch-box", GLib.VariantType.STRING);
+        action.activate.connect ((param) => { open_name (param.get_string ()); });
+        add_action (action);
+
         action = new GLib.SimpleAction ("about", null);
         action.activate.connect (() => {
             string[] authors = {