Git commits in Moodle 3.0.4 by Devang Gaur

commit 56f496f26d6b05f8795223a794f7cfb0500caf3f
Author: Devang Gaur <devang.only@gmail.com>
Date:   Tue, 05 Apr 2016 00:12:23 +0800
Tag:    v3.0.4

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

commit 8b91709968a4c106a772f00a0fe69bb082ab6676
Author: dg711 <devang.only@gmail.com>
Date:   Wed, 09 Mar 2016 19:13:20 +0800
Tag:    v3.0.4

MDL-53139 admin: case diff issue with email