updated version number and also exclude debug symbols for NAnt.Xsd.Tasks assembly from distribution package
updated version number and also exclude debug symbols for NAnt.Xsd.Tasks assembly from distribution package

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