Remove useless comment, commit message is enough

https://github.com/musicbrainz/picard/commit/f03145ed0fffad05e426cce4a37bacfda38d3b78#commitcomment-8865743
Tweak url formatting

See http://forums.musicbrainz.org/viewtopic.php?id=5394 for original
issue (with discogs) and proposed fix.

This tweak goes slightly beyond this, only providing a specific port if
it is not 80 or 443.
Merge pull request #386 from Sophist-UK/drunkendwarf_webservice_noport

Use https if port 443 is specified, and only provide a specific port if it is not 80 or 443.
Use new-style signal syntax
s/python-qt4/python-pyqt5/ for travis
Merge branch 'master' into qt5