WIP: CWM recovery fstab features.

Change-Id: Ibb4c910ab7f3c377a8f358214d58357c40d5811a
Remove HAVE_SELINUX guards

Android 4.3, and by extension CM 10.2, default to having SELinux on

Change-Id: Ie7853727102725a75a7d6fa3b3b35b1ffaacd89a
Merge remote-tracking branch 'cm/cm-10.2' into jb3