Core: RU translation

Change-Id: I74918269d72b006237cc31fe9e084d4484b01041
Fix Home/Menu/Back keys' unlock

Change-Id: Ibd3842b6ad8e037a2a9f8eb581e7c55900017b0f
Merge "Core: RU translation" into cm-10.2
Merge "Fix Home/Menu/Back keys' unlock" into cm-10.2