Settings: move PACstats from setting main menu into About phone

PS1: Initial move
PS2: Remove tabs and remove paacstats from settings_headers
PS3: Add in device info title below PAC specific info
PS4: fixed major derp ;)
PS5: remove some more tabs

Change-Id: I719b174d2424ae558288f7955c084dfef112b3ac
Merge pull request #21 from PAC-man/cm-10.1

Settings: move PACstats from setting main menu into About phone