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

* remotes/upstream/master:
  diabook-themes: css-fixes
  diabook-themes: fixes in js
  diabook-themes: fixed pageheader
  diabook-themes: bugfixes / css-fixes
  make the "new calendar" (javascript interactive) the default
  remove zrl from query string
  catch a couple more Oo smilies
  add page_content_top hook

* master: