update ru translation
update ru translation

Change-Id: I0f6d45e01016a77a03d9a125c939aa7464908515

djbender/canvas-lms,HotChalk/canvas-lms,fronteerio/canvas-lms,instructure/canvas-lms,SwinburneOnline/canvas-lms,SwinburneOnline/canvas-lms,HotChalk/canvas-lms,grahamb/canvas-lms,fronteerio/canvas-lms,venturehive/canvas-lms,venturehive/canvas-lms,HotChalk/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,dgynn/canvas-lms,matematikk-mooc/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,fronteerio/canvas-lms,SwinburneOnline/canvas-lms,dgynn/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,HotChalk/canvas-lms,dgynn/canvas-lms,fronteerio/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,matematikk-mooc/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,SwinburneOnline/canvas-lms,matematikk-mooc/canvas-lms,sfu/canvas-lms,venturehive/canvas-lms,dgynn/canvas-lms,matematikk-mooc/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,sfu/canvas-lms