Author: Marina Glancy
MDL-30771: Enable students to view rubric definition prior to submission
Also allow advanced grading plugin to extend course module navigation, it is not necessary only definition previewing
Added option to rubric whether to show it to the students before submission and option to view description
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e8d5c5a8ca4231b4ee7e202b020e0510ba715d21
http://github.com/moodle/moodle/commit/e8d5c5a8ca4231b4ee7e202b020e0510ba715d21
+ 2.2 en [alwaysshowdefinition,gradingform_rubric]
+ 2.2 en [gradingof,gradingform_rubric]
+ 2.2 en [previewrubric,gradingform_rubric]