Merge remote-tracking branch 'remotes/upstream/master'

Merge remote-tracking branch 'remotes/upstream/master'

* remotes/upstream/master:
  missed an instance of $mobileapp in switch to generic app label
  ImageMagick rotates CW while imagerotate() rotates CCW
  update main frost version
  update version and todo
  -- Allow themes to specify an "app" name for posted status updates and comments (via a generic and translateable $sourceapp parameter) -- More HTML cleanup in TPL files -- Various Frost bug fixes and tweaks
  put back notags
  fix angle char storage and transmission, rev update
  Darkzero/NS .contact-photo-menu
  rev update