Git commits in Moodle 3.6.4 by David Castro

commit 709cf42e06142bfde2bb6c68c75d317b31ecffdf
Author: David Castro <davidcastro00@gmail.com>
Date:   Sat, 16 Mar 2019 00:48:01 +0800
Tag:    v3.6.4

MDL-65089 glossary: Enforcing case comparison in SQL.

commit 803d87c60f82a3a959921483ee7db8fee08da0fe
Author: David Castro <davidcastro00@gmail.com>
Date:   Fri, 08 Mar 2019 04:01:05 +0800
Tag:    v3.6.4

MDL-65008 question: Query enhancement.