camera: Cleanup & remove compiler warnings

Change-Id: I686c88e82a83072b9f392369960160e8ec345e30
msm7x30: use KitKat zRAM setting

CM's compcache has been removed, so we need to migrate to KitKat's
mechanism. The value is set to 128 MB for now, which gets compressed
to ~40 MB on RAM and may provide benefits to multitasking.

Change-Id: Ifdf5be79a07253051f789db459c8958c09a48472
Merge "camera: Cleanup & remove compiler warnings" into cm-11.0
Merge pull request #2 from LegacyXperia/cm-11.0

Cm 11.0