- Moved dplay and dplayx to a proper home in the dlls directory.

- Moved dplay and dplayx to a proper home in the dlls directory.
- Implemented new DirectPlay4 and DirectPlayLobby3 interfaces.
- Implemented a class factory for dplay and dplobby. COM interfaces
  now work for dp and dpl.
- Added a few more entries to dplayx.spec files. How do you find the
  ordinals? I just guessed :(
- Seperated DirectPlay and DirectPlayLobby implementation into separate files.
- Included some missing header file definitions.
- Implemented the dplay dll in terms of the dplayx dll. I haven't
  tested it so it may not work...
- A few bug fixes and a little new implementatioe.n
- Updated document with a more detailed implementation plan.