Settings: follow kitkat's ui

- manage apps; tab selector and ram usage
- battery data usage bar
- app widget toggle

Change-Id: I804b4b47563545d7ab124f4cc4800ef4034bf754
Settings: QuickRecord Tile (2/2)

PS2: Forgot to set image name.

Change-Id: Ib20d4c7231f147674ed3afd4c438bd83aedbac1d
Settings: Chamber of Secrets (2/2) [WIP]

PS2: Rebase

Change-Id: I4bee793580fe32b022cf7cbfc7ca5195d2c9a434