Revise Russian translation.
Translate a new string as well as fix some old ones.
Make "MiniKeePass version" string translatable
Made the string translatable in SettingsViewController.m, added string to localization files, translated where possible.
Merge branch 'master' of https://github.com/MiniKeePass/MiniKeePass
Merge pull request #249 from BasicXP/master

Localization fixes