Git commits in Moodle x.x.x by Mike Olsen

commit 7782e6610b47cc5582531325243ab9e01ead468d
Author: Mike Olsen <artfulhacker@echovoice.com>
Date:   Mon, 20 Mar 2017 12:48:01 +0800
Tag:    v3.3.0-beta

MDL-58311 cache: Add password support for redis