Git commits in Moodle 2.6.4 by Gregory Faller

commit 41b20b6e186446026eae091370c0186da3830360
Author: Gregory Faller <greg.faller@flinders.edu.au>
Date:   Mon, 16 Jun 2014 16:37:56 +0800
Tag:    v2.6.4

MDL-45582: Apply grades and feedback to entire group does not work with Annotate PDF feature

commit 33f29f5adccd994c0603b7f2ca26ae2d03fcd9dd
Author: Gregory Faller <greg.faller@flinders.edu.au>
Date:   Tue, 27 May 2014 09:38:29 +0800
Tag:    v2.6.4

MDL-44098: Late submissions with extension calculate period of lateness incorrectly