Git commits in Moodle 3.3.x by Russell Smith

commit f3789f2fb326c4eabf38caa6601bd9b8dc499e68
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Tue, 07 Jun 2016 13:15:46 +0800
Tag:    v3.3.0-beta

MDL-45584 cache: Make identifiers part of the cache creation.