Git commits in Moodle 3.1.0 by Skylar Kelty

commit 216b7f757751b5462e31c96be1fdf703f0baf68e
Author: Skylar Kelty <S.Kelty@kent.ac.uk>
Date:   Fri, 29 Apr 2016 19:14:34 +0800
Tag:    v3.1.0-beta

MDL-53967 caching: Ensure getAllKeys returns a valid array


commit e594a6a8e938a5f2878c9b2fd1b270649876b3ab
Author: Skylar Kelty <S.Kelty@kent.ac.uk>
Date:   Thu, 28 Apr 2016 21:52:36 +0800
Tag:    v3.1.0-rc1

MDL-53889 forms: Fix course field values after multiple value updates


commit f66f7b89ecd48f2987ffcb7a1a305ab0e52024dd
Author: Skylar Kelty <S.Kelty@kent.ac.uk>
Date:   Fri, 15 Apr 2016 23:53:39 +0800
Tag:    v3.1.0-beta

MDL-53836 mod_assign: Don't escape theme's larrow/rarrow


commit 60444e5327676dbd3ec2f2db8b8505c6e4411aba
Author: Skylar Kelty <S.Kelty@kent.ac.uk>
Date:   Wed, 24 Feb 2016 13:54:01 +0800
Tag:    v3.1.0-beta

MDL-48012 tool_recyclebin: added recyclebin to core


commit ee4320a6fcc742d967e8b728a8a283ef2932a229
Author: Skylar Kelty <S.Kelty@kent.ac.uk>
Date:   Wed, 06 Jan 2016 20:50:50 +0800
Tag:    v3.1.0-beta

MDL-52664 forum: Fix forum email unsubscribe/discussion URL