Removing of PHP warnings
fbpost/gpluspost: New design for shared content
appnet: Now more links are removed, if they are used in the attached data
fbpost/fbsync: Better picture support for facebook. Now the highest resolution is fetched.
appnet/statusnet/twitter: Better detection for removable links.
fbsync/fbpost: Trying to be able to more often fetch pictures in its original size.
Merge pull request #205 from annando/master

fbpost/fbsync: fetching larger photos, appnet/statusnet/twitter: better removal of superfluous links