Author: Ryan Wyllie
MDL-58251 block_myoverview: empty list image placeholders
Part of MDL-55611 epic.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=cbd3c4fee5a9f16fa6249da5ee78489c9afedaf7
http://github.com/moodle/moodle/commit/cbd3c4fee5a9f16fa6249da5ee78489c9afedaf7
+ 3.3 en [nocourses,block_myoverview]
+ 3.3 en [nocoursesinprogress,block_myoverview]
+ 3.3 en [nocoursesfuture,block_myoverview]
+ 3.3 en [nocoursespast,block_myoverview]
+ 3.3 en [viewcourse,block_myoverview]