CMFileManager: RU translation

I mixed up Editor menu options with Editor section in settings.
Now should be fine.
PS2: Now I mixed up Category title with Preference title. Damn!
PS3: Shortened "menu_no_suggestions" to avoid cut-offs on MDPI.

Change-Id: I69bf3d285c360d839e33351998443e698a97c988
Merge "CMFileManager: RU translation" into cm-10.2