Fixes: 27242, 27243, 27244 [TFS Changeset #66361]
Fixes more data layer bugs: 27079, 27080, 27081, 27082 Checked in SQL for foreign keys, indexes and unique constraints into seperate file to be merged into install script after all tests have been written. [TFS Changeset #66149]
Created 4.1.0 branch [TFS Changeset #55082]