Git commits in Moodle 2.2.4 by Jerome Mouneyrac

commit ebf57c7e9451c3de9e45ac3db8df73ec31cacbd3
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Fri, 15 Jun 2012 15:14:06 +0800
Tag:    v2.2.4

MDL-33770 Web service: create_groups should not require enrolmentkey


commit 1850ab013cd0b79ae435f9753517a8b90768d461
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Fri, 08 Jun 2012 11:54:59 +0800
Tag:    v2.2.4

MDL-33581 missing parameter defaults for some external functions


commit 8d83e44bc4a78db4f6fa090aec0208715e3e7276
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Wed, 16 May 2012 12:04:13 +0800
Tag:    v2.2.4

MDL-33028 display debuginfo when server die at developer mode