Creating KNL-1011 branch for performance work

git-svn-id: https://source.sakaiproject.org/svn/site/branches/KNL-1011@118301 66ffb92e-73f9-0310-93c1-f5514f145a0a
KNL-1011 - Update MergedList to use SiteService.getUserSites

git-svn-id: https://source.sakaiproject.org/svn/site/branches/KNL-1011@118307 66ffb92e-73f9-0310-93c1-f5514f145a0a
KNL-1011 - Improve performance of SiteService and Portal

git-svn-id: https://source.sakaiproject.org/svn/site/trunk@120414 66ffb92e-73f9-0310-93c1-f5514f145a0a