Git commits in Moodle 3.7.x by Luke Tucker

commit d08e7b7e8ae9bfa3e18169ef986260ff0c5eb642
Author: Luke Tucker <luke.tucker@netspot.com.au>
Date:   Thu, 04 Jun 2015 09:58:44 +0800
Tag:    v3.7.5

MDL-50455: tool_capability: Use static cache when loading context data