Git commits in Moodle 2.3.7 by Fred Woolard

commit 2e83fee85c9fe11641f706229356b3ae47829f54
Author: Fred Woolard <woolardfa@appstate.edu>
Date:   Sat, 26 Jan 2013 00:02:41 +0800
Tag:    v2.3.7

MDL-37676 Use course grade category if mapping fails for manual grade items