Author: Sam Hemelryk
MDL-39814 frontend: added options to disable new action menus
Also:
* Tidied up patch as per peer-reviews
http://git.moodle.org/gw?p=moodle.git;a=commit;h=10fc1569335de5fb82b89625a3c3b75ef9c0a978
http://github.com/moodle/moodle/commit/10fc1569335de5fb82b89625a3c3b75ef9c0a978
+ 2.6 en [blockeditingmenu,core_admin]
+ 2.6 en [blockeditingmenu_desc,core_admin]
+ 2.6 en [modeditingmenu,core_admin]
+ 2.6 en [modeditingmenu_desc,core_admin]