Add missing locales for russian language

This is a very welcome addition, thank you!

Note that we collect all our translations on a platform named transifex. I'll put your changes manually there after merging them here. Please consider joining the team there: http://transifex.com/yaron/vlc-trans/

approved this merge request

merged

Hi, thanks. I've sent a request and will try to further translate new or changed texts.

resolved all threads

changed milestone to %4.0.0