Git commits in Moodle 3.1.x by Jan Eberhardt

commit dac212419da888112c28d61416a6b6df593fe137
Author: Jan Eberhardt <eberhardt@math.tu-berlin.de>
Date:   Mon, 12 Sep 2016 20:30:46 +0800
Tag:    v3.1.3

MDL-55932 block_rss_client: Namespace fixes