Send notifications for each new post of a contact, option for creating a summary for a feed post
API: Several improvements to make the api more compatible
Merge remote-tracking branch 'upstream/master'

Conflicts:
	mod/crepair.php
Cleaning up some changes from the merge
API: Bugfix that wrong contact data was sent
Merge pull request #884 from annando/master

Notifications for new posts, API changes, several other things ...