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

* remotes/upstream/master:
  bbcode toolbar attached to the comment text field minor css-fixes
  diabook-themes: small icon fix
  diabook-nav-icons with gradient
  use local_user for tag completion if available. See bug #368
  more sane defaults datetime_convert
  fix empty string timezone
  Some new German translations
  send zrl after dfrn_request homecoming for manual entries
  fix to wall_upload photos default permissions to use cid rather than uid.
  fixed z-index of youtube-vids  fixed bug to hide right_side

* master: