Git commits in Moodle 2.7.5 by Damyon Wiese

commit 0289be1321babfa588fb5b18ebb08a296eed9eee
Author: Damyon Wiese <damyon@moodle.com>
Date:   Tue, 27 Jan 2015 23:16:10 +0800
Tag:    v2.7.5

MDL-48980 Security: Always clean the result from min_get_slash_argument