Git commits in Moodle 2.4.8 by sam marshall

commit 903c5bf341e544dd99223a91458d18fd404eecd9
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Tue, 12 Nov 2013 20:23:10 +0800
Tag:    v2.4.8

MDL-42839 MUC: Memcache server configuration too sensitive to whitespace

commit 2d124e8f4ea2440d82a9fd2b80225f1b9246d3bf
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Fri, 06 Sep 2013 20:01:50 +0800
Tag:    v2.4.8

MDL-41446 Completion: Incorrectly marks complete when grade data present with no actual grade