Author: Alexander Bias
MDL-64903 block_myoverview: Cluster course filters
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0048e12f0417100c34bcaa0b28aedafcaa98de20
http://github.com/moodle/moodle/commit/0048e12f0417100c34bcaa0b28aedafcaa98de20
+ 3.7 en [allexcepthidden,block_myoverview]
+ 3.7 en [aria:allcoursesexcepthidden,block_myoverview]