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.
Added info to upgrade.txt
Removed wrap plugins from the tinymce plugin list.
Fix trailing comma in wrap plugin javascript.
Removed non functioning "!" handling.
Fixed icons for wrap plugin.