Added Persian translation.
Merge branch 'master' of https://github.com/aramk/crayon-syntax-highlighter

# By John McManigle
# Via Aram Kocharyan (1) and John McManigle (1)
* 'master' of https://github.com/aramk/crayon-syntax-highlighter:
  Update objc.txt
Added style for rtl languages to tag editor.