Git commits in Moodle 2.8.7 by Simey Lameze

commit 29010702b20acb5fa03759c73b69661aed13449d
Author: Simey Lameze <simey@moodle.com>
Date:   Thu, 28 May 2015 11:39:23 +0800
Tag:    v2.8.7

MDL-50380 mod_wiki: fix missing parameter on wiki edit files page


commit 916ac383efbdb91dc4f483c44b098f7282d639b8
Author: Simey Lameze <simey@moodle.com>
Date:   Wed, 29 Apr 2015 10:52:49 +0800
Tag:    v2.8.7

MDL-25138 core_tag: fix correlated tags query unique error