Git commits in Moodle 2.9.6 by Eric Merrill

commit b53f9ed5f1cdf4408b54d9b02b554ffc2180a22c
Author: Eric Merrill <merrill@oakland.edu>
Date:   Fri, 11 Mar 2016 05:32:02 +0800
Tag:    v2.9.6

MDL-53430 dml: Fix recordset_walk for additional parameters


commit be7a01b355afec9999ee4f3ddd58ddf2914cc66c
Author: Eric Merrill <merrill@oakland.edu>
Date:   Fri, 12 Feb 2016 01:30:01 +0800
Tag:    v2.9.6

MDL-53176 grades: Adding index to improve history search