Author: Ryan Wyllie
MDL-61138 mod_quiz: add question preview to random question modal
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1c26b3143d2e8d988070db5f6eca3643b4e7354b
http://github.com/moodle/moodle/commit/1c26b3143d2e8d988070db5f6eca3643b4e7354b
+ 3.5 en [questionsetpreview,mod_quiz]
+ 3.5 en [questionsmatchingfilter,mod_quiz]