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

* remotes/upstream/master:
  zrl's when visiting public photos at the source site
  doco
  cleanup
  turn "follow" into a function
  add hometown to profiles
  bug #439 - remove web port number from notification email "from" address
  webfinger profile linker
  "howlong" added to marital status.
  fewer "bob smith to bob smith via wall-to-wall".
  [quote=somebody] was appearing as an extended spoiler tag.

* master: