Actually, as of today ( version 14.04.0+14.04.20140219-0ubuntu1 of unity-settings-daemon ) this functionality is released into 14.04 (ubuntu-desktop depends on unity-settings-daemon ).
Actually, as of today ( version 14.04.0+ 14.04.20140219- 0ubuntu1 of unity-settings- daemon ) this functionality is released into 14.04 (ubuntu-desktop depends on unity-settings- daemon ).