Misc small cleanups.

if available.

- Added missing types.
- Added a function for each type test to improve compiling with -O2.

- Update the rpc TODO list a bit.
- Add some constants for winapi_check.
- Nil pointer support for some UUID functions (spotted by Olivier
  Evalet).

applications set flags of MT_SEPARATOR and erroneous errors are
produced.  Add a couple of comments.

- Remove comments about leap seconds, windows doesn't take that into
  account.

how to take into account 'start menus' correctly.

'init' spec file directive.
Winebuild long options now use a more standard double dash format
(older format still supported for backwards compatibility).

class.
Use it to define IUnknown.

  buffer).
- Texture mapping corrected if no real texture bound.
- Code now detects which opengl extensions are present - to be
  extended later.
- More debug tracepoints.

Add DPMI32 fixes.

'init' spec file declarations.

being set at once.

also works for functions using the DEFINE_REGS_ENTRY_POINT macros.

- define and fixme for
  SPI_[GET/SET][SELECTIONFADE/DROPSHADOW/KEYBOARDCUES]

- Added support for C++ compilation (off by default).

supported.

Added another error message if some program tries to marshal
IOleObject.
OleCreate() should be able to use Local Servers too (it can't as of
now, just for debugging).