Author: Simey Lameze
MDL-51374 cache: add temp_tables cache definition
Also a helper method get_temp_tables_cache() has been created for temporary tables cache operations.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=26e7eceefc2afa283c1173cae3f205486b49053e
http://github.com/moodle/moodle/commit/26e7eceefc2afa283c1173cae3f205486b49053e
+ 3.1 en [cachedef_temp_tables,core_cache]