Fixed issue that caused "Cannot create an instance of an Interface" error.
Fixed issue that caused "Cannot create an instance of an Interface" error.

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