Git commits in Moodle 2.3.4 by sam marshall

commit c520e08653e79db78a96bf223b9e11af848dd151
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Wed, 12 Dec 2012 18:47:17 +0800
Tag:    v2.3.4

MDL-37078: Restore - section restore fails with multiple availability conditions

commit 8b6aeff8eac30325afd551bc24a47ba6070f3b00
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Tue, 27 Nov 2012 20:54:23 +0800
Tag:    v2.3.4

MDL-36808 Completion: Incorrect escaping for activity name in completion tickbox