Git commits in Moodle 2.7.1 by Heiko Schach

commit b336cf98b4b4e9f2aa270389399a5830e6b2861a
Author: Heiko Schach <heiko.schach@helsinki.fi>
Date:   Tue, 24 Jun 2014 20:45:24 +0800
Tag:    v2.7.1

MDL-46063 feedback: Fix user pictures