Author: Dan Poltawski
MDL-34033 lang - ammend configenableajax
Now better reflects its functionality.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=3b0ba40ac54b5328d66c583b2cb33c88003917fa
http://github.com/moodle/moodle/commit/3b0ba40ac54b5328d66c583b2cb33c88003917fa
+ 2.3 en [configenableajax,core_admin]