About RB: Complete makeover
LockscreenPattern: Fix toggle dots/error pattern visibility

This fix the issues dot/error pattern state doesn't save.
also cleanup redundant code.

Change-Id: Iebaac9679ad9c621d62effd700689485db7c252a
Merge remote-tracking branch 'awa/jb-mr1' into jb-mr1

Conflicts:
	res/values/strings.xml
	res/xml/about_rom.xml
	src/com/android/settings/rb/About.java
	src/com/android/settings/widgets/DeveloperPreference.java