Git commits in Moodle 2.2.4 by Andrew Robert Nicols

commit 83d3858b1637e5a10a63210986a1b1ad8de8b6b5
Author: Andrew Robert Nicols <andrew.nicols@luns.net.uk>
Date:   Thu, 21 Jun 2012 00:02:00 +0800
Tag:    v2.2.4

MDL-33916 Ensure that capabilities are checked for cached user enrolments


commit a8cf5e957406865ca766e6dcfd2155baf588776d
Author: Andrew Robert Nicols <andrew.nicols@luns.net.uk>
Date:   Tue, 22 May 2012 18:24:24 +0800
Tag:    v2.2.4

MDL-33186 Ensure that the comment textarea exists before toggling it


commit ed2b8be31a2f267f904152d24e55ec5e67bd63ba
Author: Andrew Robert Nicols <andrew.nicols@luns.net.uk>
Date:   Wed, 16 May 2012 20:52:11 +0800
Tag:    v2.2.4

MDL-33040 Reports : Validate dates correctly on log page


commit bf03cf12b73537eec33369a7a26895f05cf35632
Author: Andrew Robert Nicols <andrew.nicols@luns.net.uk>
Date:   Thu, 10 May 2012 00:34:12 +0800
Tag:    v2.2.4

MDL-32340 Improve performance of calendar selection