Support languages written in Tibetan script

Languages listed in
https://en.wikipedia.org/wiki/Category:Languages_written_in_Tibetan_script
mapped to Jomolhari font

See https://www.mediawiki.org/wiki/Talk:Universal_Language_Selector#Several_problems_with_web_fonts_31516
and https://github.com/wikimedia/jquery.webfonts/issues/29

Change-Id: I873dfb8c3689470a6070f90088984a668a3faf51