Added SourceSafe test classes to project file.
Added SourceSafe test classes to project file.

cgourlay/nantcontrib,nant/nantcontrib,dahmage/nantcontrib,cgourlay/nantcontrib,dahmage/nantcontrib,nant/nantcontrib,dahmage/nantcontrib,rmboggs/nantcontrib,nant/nantcontrib,rmboggs/nantcontrib,cgourlay/nantcontrib,rmboggs/nantcontrib