Git commits in Moodle 2.1.x by Jason Platts

commit 8acd718118c4a519e556d00116652561d64570fe
Author: Jason Platts <j.platts@open.ac.uk>
Date:   Tue, 17 May 2011 23:12:26 +0800
Tag:    v2.1.0

MDL-27192 Page context error on calendar export with custom user profile fields