Git commits in Moodle 2.6.1 by Jean-Philippe Gaudreau

commit adcddcf776212113a5b494a322055d6338b41069
Author: Jean-Philippe Gaudreau <jp.gaudreau@umontreal.ca>
Date:   Wed, 11 Dec 2013 23:54:37 +0800
Tag:    v2.6.1

MDL-41246 cache: Fix PHP notice of non well formed numeric values for the memcache store