Reverting some refactor related to common transfer.
Update ru translation
added some strings ru translation
Removed unused strings translation
translation of complex strings on the Russian language
update pot file
Russian translation completed.
fixed some translation bugs
Updated message bundle with russian translations.

Also updated all .po files with fresh string extractions and messages.jar bundle.
Thanks to @X-NicON for the Russian translation update
(still a lot more to be done from what I could see in the UI, keep the love coming)