Git commits in Moodle 3.4.6 by Michelle Melton

commit aa21de4c84f6ffd01c707e1a9328fa0a68f396be
Author: Michelle Melton <meltonml@appstate.edu>
Date:   Tue, 28 Aug 2018 03:06:48 +0800
Tag:    v3.4.6

MDL-63215 block_rss_client: Escaping tags in RSS entries