Wine staging 4.0-rc3 release

[Alistair Leslie-Hughes]

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

Summary of the past few weeks
* Rebased to current wine 4.0-rc3 (831 patches are applied to wine vanilla)
* Reviewed and upstreamed patches.

Upstreamed (Either directly from staging or fixed with a similar patch).
* user32: Dont reset focus if current dialog is a child.
 
Added
* [46300] mfplat: Implement MFGetSystemTime
* [46105] mf: Implement MFCreateSequencerSource
* [41929] wined3d: Multiple games need WINED3D_TEXF_ANISOTROPIC filter mode
* [31157] imm32: Only generate 'WM_IME_SETCONTEXT' message if window has
focus.
* [46263] winex11: Final Fantasy XI crashes after accepting EULA when
using Ashita
* [7287]  user32: Redundant "tabs" appear with tabbed MDI.

Updated:
* uianimation-stubs


Where can you help
* Run Steam/Battle.net/UPlay.
* Try you favorite game:
* Test your favorite applications.
* Steal 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.