Author: Ryan Wyllie
MDL-54165 mod_assign: Collapsible review and grade panel
http://git.moodle.org/gw?p=moodle.git;a=commit;h=30a9fe133afbdf2ccf3c2217770f60162ab8c32d
http://github.com/moodle/moodle/commit/30a9fe133afbdf2ccf3c2217770f60162ab8c32d
+ 3.1 en [clickexpandreviewpanel,mod_assign]
+ 3.1 en [collapsegradepanel,mod_assign]
+ 3.1 en [collapsereviewpanel,mod_assign]
+ 3.1 en [defaultlayout,mod_assign]
+ 3.1 en [expandreviewpanel,mod_assign]