Fixes:

- ProjectBase.ExecuteSynchronizationScript() function doesn't return error messages generated during the execution of synchronization script
- In synchronization script, IDENTITY attribute is lost for tables that are recreated
- OwnerMapping.AddMapping() function allows the addition of duplicate mappings
- OwnerMapping.LoadProfile() function throws unclear exceptions for corrupted profiles
- Database.CaseSensitive property is always True for case-insensitive databases and snapshots
- Activation form points to to the wrong help topic
- Cannot save projects where data sources have not been set
- MappedTables.GetItemBySourceName() and .GetItemByDestinationName() functions return incorrect objects for case-sensitive snapshots