Git commits in Moodle 2.6.2 by Michael Aherne

commit 96942337fbe156236c05f90409154d5431b6d802
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Wed, 05 Feb 2014 18:48:22 +0800
Tag:    v2.6.2

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

commit 4b6c90cb17a1af3ba5e4a391076b0b5bb8c04e40
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Fri, 10 Jan 2014 20:37:12 +0800
Tag:    v2.6.2

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

commit 217c5d820805d8f74518ed202e3f62f045fc25f1
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Mon, 02 Dec 2013 18:36:39 +0800
Tag:    v2.6.2

MDL-42495 lesson Prevent coding error for invalid user