Git commits in Moodle 2.7.6 by Vadim Dvorovenko

commit d9e865148db83b72d535939ba38221d0675f001b
Author: Vadim Dvorovenko <Vadimon@mail.ru>
Date:   Fri, 23 Jan 2015 10:49:46 +0800
Tag:    v2.7.6

MDL-48955 filter_mathjax: Regexp fix for texfiltercompatibility mode