Pontoon: Update Russian (ru) localization of AMO
Pontoon: Update Russian (ru) localization of AMO

Localization authors:
- Alexander Slovesnik <unghost@mozilla-russia.org>
- Victor Bychek <a@bychek.ru>

psiinon/addons-server,mozilla/olympia,mozilla/olympia,wagnerand/addons-server,wagnerand/addons-server,mozilla/addons-server,mozilla/addons-server,eviljeff/olympia,eviljeff/olympia,wagnerand/addons-server,eviljeff/olympia,bqbn/addons-server,wagnerand/addons-server,bqbn/addons-server,mozilla/addons-server,mozilla/olympia,mozilla/olympia,diox/olympia,psiinon/addons-server,eviljeff/olympia,bqbn/addons-server,diox/olympia,psiinon/addons-server,diox/olympia,bqbn/addons-server,mozilla/addons-server,psiinon/addons-server,diox/olympia