Git commits in Moodle 2.8.0 by Tim Lock

commit 1dbc4f289400bad5b9cfa2db6cf7b93f9fc2dafc
Author: Tim Lock <tim.lock@netspot.com.au>
Date:   Fri, 13 Jun 2014 07:46:24 +0800
Tag:    v2.8.0-beta

MDL-45982: Implement displaying of non error messages from a provider.