Update autorevision to 1.5.
Use Gist as the primary location for the vorbis patch.
Check Moc after downloading Qt.
Update autorevision to 1.6.
Merge branch 'bugfixes'

* bugfixes:
  Update autorevision to 1.6.
  Check Moc after downloading Qt.
  Use Gist as the primary location for the vorbis patch.