fb: change alert dialog to new 4.4 UI guidelines and add

Holo / Holo.Light switch to reflect it proper on the
different app styles

Change-Id: I0fb7cd06d19a8eef66551e9f0281d60f33b2efe6
Restore pre-KitKat permissions to external sd for all apps

Change-Id: Ib3ff52bcc47fd36e8f3fc5aefeaae4e56180e7c6
raise max keygaurd widgets from 5 to 20

Change-Id: If7ec6ef850cd43db2dc79e0780e48644d326999b
Fix last signal bar being a pixel to high.

Thanks Adam!

Change-Id: Ic22c91c0f381d64e0f6cbb8dd341e919b9762047