Wine staging 4.20 release

[Alistair Leslie-Hughes]

Binary packages for various distributions will be available from:
https://www.winehq.org/download

Summary since last release
* Rebased to current wine 4.20 (832 patches are applied to wine vanilla)

Upstreamed (Either directly from staging or fixed with a similar patch).
* dsdmo: Added dll
* winebus.inf: Add new INF file and copy it to the INF  directory.
* winebus.sys: Implement AddDevice().
* wineboot: Create a root-enumerated device object for winebus.
* winebus.sys: Initialize and teardown the HID backends while the bus 
FDO is still extant.
* ntoskrnl.exe: IoInvalidateDeviceRelations() receives the parent PDO.
* wine.inf: Remove registration for the winebus service.
* ole32: Implement returning a name in IEnumSTATPROPSTG.

Added:
* [46735] The Sims 2 demo needs Direct3DShaderValidatorCreate9() 
implementation

Updated:
* winebuild-Fake_Dlls
* ntdll-NtContinue
* ntdll-MemoryWorkingSetExInformation

Where can you help
* Run Steam/Battle.net/GOG/UPlay/Epic
* Test your favorite game.
* Test your favorite applications.
* Improve staging patches and get them accepted upstream.

As always, if you find a bug, please report it via
https://bugs.winehq.org

Best Regards
  Alistair.