Add WRITE_MEDIA_STORAGE permission

This fixes the issue where the images/pics are not
deleted from the android external 'SD Card' as android does not
allow writing to the external 'SD Card' with just the
WRITE_EXTERNAL_STORAGE permission.

Requires : https://gerrit.slimroms.net/#/c/2723

Change-Id: I34377160b8b8677abc3506d8aca72166b4129425
camera2: follow new 4.4 UI guidelines

powershot button was still ICS blue...changed to white

Change-Id: Ic4c813de047a5bd84ed1bb3b124fa2b7d0ca064d
fix aapt warnings + correct strings.xml

fix the bunch of aapt translation warnings and
add missing string in string.xml

seems to be google was drunked