Russian translation

First draft of russian translation

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
Merge branch 'vtolstov-ru_RU'
Added Russian option in the settings
fix russian translations

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
Merge branch 'master' into ru_RU
Merge branch 'ru_RU' into simple