Author: Andrew Nicols
MDL-58746 core: Add environment check for finfo
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1536b56796181c571348795500d0397afc64aac5
http://github.com/moodle/moodle/commit/1536b56796181c571348795500d0397afc64aac5
+ 3.1 en [finforequired,core_admin]