Creating KNL-1011 branch for performance work

git-svn-id: https://source.sakaiproject.org/svn/sitestats/branches/KNL-1011@118302 66ffb92e-73f9-0310-93c1-f5514f145a0a
KNL-1011 - Update sitestats mock for Site changes

git-svn-id: https://source.sakaiproject.org/svn/sitestats/branches/KNL-1011@118308 66ffb92e-73f9-0310-93c1-f5514f145a0a
KNL-1011 - Improve performance of SiteService and Portal

git-svn-id: https://source.sakaiproject.org/svn/sitestats/trunk@120415 66ffb92e-73f9-0310-93c1-f5514f145a0a