Git commits in Moodle 3.1.0 by Devang Gaur

commit f58c96f6b04d2e288f9b96113284bc836f1f72d9
Author: Devang Gaur <devang.only@gmail.com>
Date:   Tue, 05 Apr 2016 00:12:23 +0800
Tag:    v3.1.0-beta

MDL-52338 blocks: message link should not appear when set false

commit c55494fef7d48e809757d15e52856e64cc6c2e38
Author: dg711 <devang.only@gmail.com>
Date:   Mon, 14 Mar 2016 14:39:22 +0800
Tag:    v3.1.0-beta

MDL-53207 message: display stock pic for msg from\to unreal user

commit 92cec53b47e908fa7b757879fc3eecb573ca7e83
Author: dg711 <devang.only@gmail.com>
Date:   Wed, 09 Mar 2016 19:13:20 +0800
Tag:    v3.1.0-beta

MDL-53139 admin: case diff issue with email

commit df8674d26ea3aaadff4c23a3035b9ca412296e32
Author: dg711 <devang.only@gmail.com>
Date:   Sat, 27 Feb 2016 18:19:10 +0800
Tag:    v3.1.0-beta

MDL-41648 grade: Remove 'error' parameter in grading notification divs

commit 88e1d0ed264159f53a6ba479ad4188c6155b0d35
Author: dg711 <devang.only@gmail.com>
Date:   Sun, 14 Feb 2016 18:15:02 +0800
Tag:    v3.1.0-beta

MDL-52892 message: users' pic overrides others