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

* remotes/upstream/master:
  ugly fix to make editplain work
  quattro: readd sparkle cursor
  quattro: style for "show more" addon
  tinymce linebreaks, I fix it, somebody breaks it, I fix it, somebody breaks it. Repeat.
  logic was reversed - should work now
  fix almost all errant divs in view/ and frost folders
  Provide backend ability to poke as a comment rather than top-level post
  rev update