Optional parameter for parseurl to only fetch data from meta information
disable the output of the "posted" value in shares when item cache is enabled.
dangerous values in usernames for shared messages from diaspora are now encoded.
Sorting plugins after priority and name (better for the configuration page)
Solving some more SQL warnings ("limit" must never be used in update statements)
Merge pull request #845 from annando/master

Many small bugfixes and features ...