Git commits in Moodle 2.0.5 by Kyle Temkin

commit 9d19a2bcd8350831570becf183126a14f0723e49
Author: Kyle Temkin <ktemkin@binghamton.edu>
Date:   Thu, 22 Sep 2011 19:11:49 +0800
Tag:    v2.0.5

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