Git merges in Moodle 2.7.9 by Eloy Lafuente (stronk7)

commit a7c5b8b2c7323ea353b74f2e40096b5f87bac515
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Fri, 03 Jul 2015 19:38:05 +0800
Tag:    v2.7.9

Merge branch 'install_27_STABLE' of https://git.in.moodle.com/amosbot/moodle-install into MOODLE_27_STABLE

commit 547932e1308d859542c1e4f2f5e58abb4fd26da0
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Tue, 19 May 2015 23:45:33 +0800
Tag:    v2.7.9

Merge branch 'MDL-50275-27' of git://github.com/danpoltawski/moodle into MOODLE_27_STABLE