2009-08-18  Atsushi Enomoto  <atsushi@ximian.com>

	* AnonymousPipeClientStream.cs, AnonymousPipeServerStream.cs,
	  NamedPipeClientStream.cs, NamedPipeServerStream.cs
	  PipeAccessRights.cs, PipeAccessRule.cs, PipeAuditRule.cs,
	  PipeDirection.cs, PipeInterfaces.cs, PipeOptions.cs,
	  PipeSecurity.cs, PipeStream.cs, PipeStreamImpersonationWorker.cs,
	  PipeTransmissionMode.cs, PipeUnix.cs, PipeWin32.cs :
	  initial implementation, so far with win32 impl.