Author: Bas Brands
MDL-73841 block_myoverview: use text for selectors
http://git.moodle.org/gw?p=moodle.git;a=commit;h=137b2dd63877415d0180f7c623e79011d3fb83f1
http://github.com/moodle/moodle/commit/137b2dd63877415d0180f7c623e79011d3fb83f1
+ 4.0 en [sortbytitle,block_myoverview]
+ 4.0 en [sortbylastaccessed,block_myoverview]
+ 4.0 en [sortbyshortname,block_myoverview]