added Filter/FilterSet (and collection classes), and FileUtil to project file
added Filter/FilterSet (and collection classes), and FileUtil to project file

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