ACE-2192, ACE-2193, ACE-2194, ACE-2195, ACE-2196: IE8 related fixes

git-svn-id: https://svn.alfresco.com/repos/alfresco-open-mirror/alfresco/HEAD/root@76283 7033f55c-6c29-4ad8-afba-765cb616e738
ACE-2197, ACE-2196: Fixed IE8 issues

git-svn-id: https://svn.alfresco.com/repos/alfresco-open-mirror/alfresco/HEAD/root@76297 7033f55c-6c29-4ad8-afba-765cb616e738
Merged HEAD-BUG-FIX to HEAD: (RECORD ONLY) 76299,76314
   - and removed extra mergeinfo on root

git-svn-id: https://svn.alfresco.com/repos/alfresco-open-mirror/alfresco/HEAD/root@76329 7033f55c-6c29-4ad8-afba-765cb616e738
ACE-2190: Fixed WebScript page model configuration for manage sites page to ensure site link works

git-svn-id: https://svn.alfresco.com/repos/alfresco-open-mirror/alfresco/HEAD/root@76342 7033f55c-6c29-4ad8-afba-765cb616e738