Author: Andrew Davis (andyjdavis)
MDL-27829 blocks: added code to make the page type restrictions for blocks on admin setting pages make sense
http://git.moodle.org/gw?p=moodle.git;a=commit;h=800688bd1ef460c6447779d77780c16fc90348a7
http://github.com/moodle/moodle/commit/800688bd1ef460c6447779d77780c16fc90348a7
+ 2.1 en [page-admin-setting,core_pagetype]
+ 2.1 en [page-admin-setting-x,core_pagetype]