musicbrainz/picard — pull request #201 by zas (2013-12-30 11:09:23+00:00)
Title: transifex.net is deprecated, use transifex.com instead

http://support.transifex.com/customer/portal/questions/1160404-improve-ssl-security-for-transifex-net
tx client is giving a message about it too

Also add translation type 'PO'.