Git merges in Moodle 2.4.4 by Aparup Banerjee

commit 883050603cbe1f3d5ada2187c0fac5a32a4e1b23
Author: Aparup Banerjee <aparup@moodle.com>
Date:   Tue, 09 Apr 2013 14:31:10 +0800
Tag:    v2.4.4

Merge branch 'w14_MDL-38798_m24_php55' of git://github.com/skodak/moodle into MOODLE_24_STABLE

commit 6b9fc96f8e26c4dcb8960ad4f1d4542fa01b55f5
Author: Aparup Banerjee <aparup@moodle.com>
Date:   Tue, 09 Apr 2013 14:21:32 +0800
Tag:    v2.4.4

Merge branch 'wip-MDL-38887-m24' of git://github.com/marinaglancy/moodle into MOODLE_24_STABLE

commit 20a98af5259ad890bec8f82c0efdfcd478c2bbc8
Author: Aparup Banerjee <aparup@moodle.com>
Date:   Wed, 03 Apr 2013 16:33:00 +0800
Tag:    v2.4.4

Merge branch 'MDL-38809_24' of git://github.com/timhunt/moodle into MOODLE_24_STABLE

commit 843093789d9379b5525eb5d54ac0f8c67bd27764
Author: Aparup Banerjee <aparup@moodle.com>
Date:   Wed, 27 Mar 2013 10:38:48 +0800
Tag:    v2.4.4

Merge branch 'MDL-38659_24' of git://github.com/stronk7/moodle into MOODLE_24_STABLE