Add entry to change lock wallpaper via themes

Change-Id: I79e7160629bc43d1f1ca993833ea2fc538550475
Fix a number of aapt warnings.

The remaining warnings have their origin in AOSP.

Change-Id: I070d3cc1f5e9d4fc2bf7e442e58fe2bdc100ed0e
Automatic translation import

Change-Id: I6b1899b2efc3cb94a9ca2088826aa05cf068101b
Merge branch 'cm-11.0' of github.com:CyanogenMod/android_packages_apps_Settings into cm-11.0