De-papercutting.
Added Urgent & Launch animation options to Unity > Launcher; papercuts elsewhere.
Fixed Unity > Launcher papercuts.
Added the backend to reset buttons on Unity > Launcher & Unity > Panel.
Added ability to 'reset' the Launcher's show desktop icon to the button.
Merge pull request #37 from snwh/master

Added Urgent & Launch animation options to Unity > Launcher; fixed papercuts