Developer credits
Git commits in Moodle 3.0.0 by Nivedita Setru
commit 223d6cb3bf8a8ac99679c8d6403d555f94b11cd0 Author: Nivedita Setru <n.setru@ucl.ac.uk> Date: Mon, 30 Mar 2015 01:56:40 +0800 Tag: v3.0.0-beta MDL-26501 mod_glossary: Allow to specify visible tabs