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

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

* remotes/upstream/master:
  fix /display bug; oembed audio bug; other tweaks
  Frost: reduce DOM elements by about 20%; other tweaks and fixes
  rev update
  errant div in events_reminder.tpl
  pass deleted flag to display
  rev update
  fix filer bug; some interface tweaks
  Update view/theme/frost/nav.tpl
  Update view/theme/frost-mobile/nav.tpl
  don't show birthday/event details on mobile devices
  rev update
  remove server-specific change
  update version of frost and frost-mobile
  Modify Javascript to improve page loading times
  rev update
  Friendicaland got bigger.