Author: Andrew Robert Nicols
MDL-31014 Allow for selection of a different displayformat when approving glossary entries
http://git.moodle.org/gw?p=moodle.git;a=commit;h=bca2b1c1576eb08adde67071292954558f63ee29
http://github.com/moodle/moodle/commit/bca2b1c1576eb08adde67071292954558f63ee29
+ 2.3 en [approvaldisplayformat,mod_glossary]
+ 2.3 en [displayformatdefault,mod_glossary]