Git commits in Moodle x.x.x by Alfonso Roman

commit 2c4a3f7525c00a3768f9311d276347a675eebd63
Author: Alfonso Roman <aroman@oid.ucla.edu>
Date:   Mon, 14 Jul 2014 11:29:28 +0800
Tag:    v2.8.0-beta

MDL-47045 gradereport_grader: Improve Grader report user interface