Modified regular expressions for support wrapping in tags.
Modified regular expressions for correct formatting of grammatical cases in Russian language. Escaped symbols doesn't affect the correct format of grammatical cases in pattern 'D[oD]? MMMM?'.
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	lang/ru.js
Merge pull request #1195 from jarosluv/develop

Modified regular expressions for support wrapping in tags.