Settings: RU translation

Added translation for Camera button features.
PS2: Rebased
PS3: Translated more options added in recent commits.
PS4: Couple of more strings.

Change-Id: Ib7b27202d99826410b566655b8dfe6206d2fe39e
Merge "Settings: RU translation" into cm-10.2
Merge remote-tracking branch 'upstream/cm-10.2' into cm-10.2