Git commits in Moodle 2.5.5 by Michael Aherne

commit 624dd20db1d2eacbbbeeda04b7c50903e86a92a0
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Wed, 05 Feb 2014 18:48:22 +0800
Tag:    v2.5.5

MDL-44066 caching Don't advertise session mode for MongoDB and memcached


commit 756011e4781dbde28b9ca9cb6152abbccb1c30d1
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Fri, 10 Jan 2014 20:37:12 +0800
Tag:    v2.5.5

MDL-46310 assign Prevent blind marking submission notification email being sent to noreplyemail address


commit 386cd5a24c5fb5c741cd59b4872bd0e522837b0e
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Mon, 02 Dec 2013 18:36:39 +0800
Tag:    v2.5.5

MDL-42495 lesson Prevent coding error for invalid user