Git commits in Moodle 2.8.9 by Charles Fulton

commit f8e0b4ece1dd262a75852c3962470fd2bb87f57e
Author: Charles Fulton <fultonc@lafayette.edu>
Date:   Tue, 11 Aug 2015 20:35:09 +0800
Tag:    v2.8.9

MDL-51052 dml: support for sql_like() under utf8_bin