Import fix in ResponseStream from katana project commit 25dbcc4d482c98e4315473d13fab532f48bc46fa which addresses issue https://katanaproject.codeplex.com/workitem/253
Import fix in ResponseStream from katana project commit 25dbcc4d482c98e4315473d13fab532f48bc46fa which addresses issue https://katanaproject.codeplex.com/workitem/253

damianh/OwinEmbeddedHost