Git commits in Moodle 2.5.5 by Matt Switlik

commit a94d76da9defad75af0cd6d0aa42d19231e42bb4
Author: Matt Switlik <switlik@oakland.edu>
Date:   Thu, 31 Oct 2013 03:38:12 +0800
Tag:    v2.5.5

MDL-42618 fix grade importing of whitespace idnumbers