Author: Sam Hemelryk
block-navigation MDL-23838 There is now an option that you can enable so that categories in the navigation are links as well.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=480f906e252b4c44bd91f6438958c22fcbfe18f4
http://github.com/moodle/moodle/commit/480f906e252b4c44bd91f6438958c22fcbfe18f4
+ 2.0 en [linkcategoriesdesc,block_navigation]