- API files update.

- Support state icons in LVS_ICON style.
- Draw only items that are in the clip box.
- Draw non-selected items first then the selected ones because large
  icons may overlap each other.
- Correct invalidation rectangles for items.
- Correct drawing of large icons.
- Eliminate divide by zero cases in scrolling.
- Invalidate selected items prior to setting window losing focus.

- API files update.

defined.
Fixed if statement in __WS_FD_SET2 which used a = where a == is
needed, in additition the if did not have its outer set of
parenthesis.
Removed parentheses around type to be cast in __WS_FD_SET macro.
Removed WS macro usage from within other macros because the WS macro
is undefined when these macros are expanded.
Added WINAPI attributee to select definition.

- Get rid of associated 16 bit code from x11drv.
- Simplifications, cleanups, etc.

- Remove a large bunch of superfluous ZeroMemory calls.
- Fix a couple of bugs.

parser.

- Added a compabillity layer between the old and the new C parser.
- Added parsing of data structures.

conformance tests, other netapi32 bug fixes and improvements.

Change some types to SIZE_T according to MS SDK definitions.

Implement StrCmpLogicalW,StrFormatByteSizeA/W,StrFormatByteSize64A,
SHCreateStreamWrapper.
Fix some output .spec parameters from str to ptr.
Fix definition of StrFormatByteSize functions.

Remove the documentation of no longer supported spec file options.
Add notes to point out the sections that are particularly out of
date.

Remove references to obsolete dirs.

- Drawing optimizations, better scrolling.
- A few more bugs squashed without mercy.
- Many cleanups, simplifications, doc updates.