Trebuchet: RU translation

Change-Id: Iebab1ee2e07eed505d041c46da9de74e88795e73

PS 2: Revert changes in strings.xml

Change-Id: I4f363cd89864cd996ca69f21287a8e5b1565ce99
Merge "Trebuchet: RU translation" into cm-10.2
Merge branch 'cm-10.2' into martincz