Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.
- [DH] rostests/dxtest/win32kdxtest/NtGdiDdCanCreateSurface.c
- [DH] rostests/dxtest/win32kdxtest/NtGdiDdCreateDirectDrawObject.c
- [DH] rostests/dxtest/win32kdxtest/NtGdiDdDeleteDirectDrawObject.c
- [DH] rostests/dxtest/win32kdxtest/NtGdiDdGetScanLine.c
- [DH] rostests/dxtest/win32kdxtest/NtGdiDdQueryDirectDrawObject.c
- [DH] rostests/dxtest/win32kdxtest/NtGdiDdWaitForVerticalBlank.c
- [DH] rostests/dxtest/win32kdxtest/dump.c
- [DH] rostests/dxtest/win32kdxtest/main.c
- [DH] rostests/dxtest/win32kdxtest/test.h