core: RU translation

Change-Id: Ieffc693827aea4fc7a0e036e3cbd78924c691acb
Base: SV translations

Change-Id: I76e25154e1cfa1b55cdb2bdb5c131dbf691aecb6
core: SK translations

Change-Id: Ic9522a57a058d6b2afee194d3780d25939bfa492
Merge "Base: SV translations" into cm-10.2
Merge "core: SK translations" into cm-10.2
Merge "core: RU translation" into cm-10.2
Merge branch 'cm-10.2' into martincz