Git commits in Moodle 2.1.x by Kyle Temkin

commit 5779bd391594315468281d039286531b37e02c6f
Author: Kyle Temkin <ktemkin@binghamton.edu>
Date:   Tue, 31 Jan 2012 01:45:49 +0800
Tag:    v2.1.5

MDL-31407 quiz: finish_attempt method should not rely on $USER

commit 18d81bdb3c45b8cbe0a33f81ace28c4a3d0f8e54
Author: Kyle Temkin <ktemkin@binghamton.edu>
Date:   Thu, 22 Sep 2011 19:11:49 +0800
Tag:    v2.1.2

MDL-28202 qtype_calculated fix edge case in the rounding code.