Git commits in Moodle 3.0.0 by Andrew Davidson

commit 890e1641792b87c401adf12e1cfdf3a6215fa23d
Author: Andrew Davidson <andrew.davidson@synergy-learning.com>
Date:   Wed, 08 Apr 2015 17:05:08 +0800
Tag:    v3.0.0-beta

MDL-49787 email: Updated email attachement path check to use realpath() in order to allow for symlinked temp directories