WIP: CWM recovery fstab features.

Change-Id: Ibb4c910ab7f3c377a8f358214d58357c40d5811a
Merge remote-tracking branch 'cyanogen/cm-10.2' into cm-10.2
Merge branch 'cm-10.2' of https://github.com/Quarx2k/android_system_core into PAC4.3