RU translation update

Merge from trunk translations.
For some reasons, some of them weren't picked up by msgmerge
(e.g., Stepfather), but I'm not going to retype them again :(
Fuzzies reviewed.

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps34@22495 4ae1f11a-8b86-4847-b8af-ab372f36d1fd