- minimal pixel format support

Store the keypath, and do refcounting and registration of SharedDLLs.
Fix a bug with handing dword values in the registry.
Fix bugs with writing registry keys where value == NULL.
Make use of msidefs.h.
Lay some groundwork for uninstalls.

  other. Removed the A variant and did a A->W translation.
- ImageList_LoadImageW: get the bitmap size from the image itself and
  not from the mask (ImageList_LoadImageA did that).

Suggested by Graham Toal <gtoal@gtoal.com>.

Reorder some points for a more logical organization.

stateblock before trying to release it in wined3d.

Fixed a couple of warnings.

- Support implicit_handle attribute in IDL files.
- Build mixed-mode stub files.

counts like in Windows. Some applications depend on that.
Simplify QueryPerformanceCounter a bit.

decide it is broken.

instead of 0:0:5.0 [the last column only goes to 29]).

- more Unicode conversion

- Avoid playing games with focus in a newly created thread, that leads
  to all kinds of misbehaviours and failures in window activation
  under Windows.

we should use the SND_DSP_POST ioctl to let the sound card know to
flush those fragments.  This allows us to precisely know when the
buffer is empty, and fixes another set of winmm tests.

demand WAVE_FORMAT_DIRECT; this fixes another slew of tests.

adjust when calculating TIME_SAMPLES.