Author: Tim Hunt
MDL-20636 Move restart preview button into the quiz nav block & remove unnecessary titles.
Also, remove automatic redirects to the quiz edit page. Show a message and a button instead.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=3c6185e97995ab065064c5423b595125c18c06a0
http://github.com/moodle/moodle/commit/3c6185e97995ab065064c5423b595125c18c06a0