Git commits in Moodle 2.9.3 by Charles Fulton

commit 5cf8645e958454db89ef5aa96b24774ab15e22e5
Author: Charles Fulton <fultonc@lafayette.edu>
Date:   Tue, 11 Aug 2015 20:35:09 +0800
Tag:    v2.9.3

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