Settings: Port CM9 features to CM10 (WIP) (Part 1 of 2)

This commit includes most of the CM9 settings except for
 - Navbar settings
 - Development settings
 - Lock screen shortcuts

Known issues:
 - Not all feaures work yet - some framework commits needed

Patch set 4  - Fixes System settings FC
Patch set 5  - Adds IME Switcher config (Rick C)
Patch set 6  - Fix strings layout (Rick C)
Patch set 7  - Add Power Widget Settings
Patch set 8  - Enable Tablet Power Widget Settings
Patch set 9  - Add Chrome and Search to Lock screen shortcuts
Patch set 10 - Enable Vol wake

Change-Id: I1619e4df07a0a797da337231ac589933fd8b8565