KNL-1215 SAK-23197 - Refactor ToolImplHelper to allow for hidden/lock detection


git-svn-id: https://source.sakaiproject.org/svn/kernel/trunk@307610 66ffb92e-73f9-0310-93c1-f5514f145a0a
KNL-1202 removed Kernel dependency on email template service
Patches from bjones86@uwo.ca



git-svn-id: https://source.sakaiproject.org/svn/kernel/trunk@307611 66ffb92e-73f9-0310-93c1-f5514f145a0a