version = planned 2015051100 release version
requires= current 2015050500 rc1 version
Note: On purpose, the course format social wrong version (2015102100)
has been kept unmodified. Looking forward a solution right now.
* Removed get_config_instance_capabilities() which was from
older reviewed vrsions of the patch
* Added note to upgrade.txt
* Fixed deprecation note
* Bump versions