Author: Russell Smith
MDL-52346 caching: Allow localstorage as a cache option.
We display a notification on screen during configuration telling
the administrator if it's safe to map this store to a local storage
cache or not.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=4350192a8de9eddc840af4664742aba50ccf9783
http://github.com/moodle/moodle/commit/4350192a8de9eddc840af4664742aba50ccf9783
+ 3.1 en [localstorenotification,core_cache]
+ 3.1 en [sharedstorenotification,core_cache]