Author: Michael Aherne
MDL-34205 Activity chooser default setting
http://git.moodle.org/gw?p=moodle.git;a=commit;h=945a81a943556fb353309fa6179215ea6fa602d3
http://github.com/moodle/moodle/commit/945a81a943556fb353309fa6179215ea6fa602d3
+ 2.4 en [configmodchooserdefault,core_admin]
+ 2.4 en [modchooserdefault,core_admin]