Fixed various problems related to bitmaps and flat toolbars.

Fixed problems with disappearing text.

Complete rewrite of messaging code to implement/fix all input behaviors.
Fixed a few fixmes.

commands plus batch command arguments.

PostScript driver.

non-blank.

menu item.

- merged request and reply structures
- build requests directly into the buffer to avoid a copy

Font mapper does not anymore use fonts in -koi8-r encoding
Font mapper now recognises fonts in -windows-* encodings (these are
provided by xfstt TrueType server)
Font mapper now sees max 16384 fonts (was 2048)

Use the cached HMODULE to speed up relay debugging.
Display the multi-instantiation warning only for 'dangerous' DLLs.

Fixed driver closing.

Moved to new debug interface.

OFN_EXPLORER bits set.

A few other optimizations in request processing in the server.
Moved automatically generated request definitions to server.h and
removed include/server/request.h.

Made SetLastError(), GetCurrentThreadId() and PROCESS_Current() inline.

Added 'pass' command to pass exceptions to the app.

Added hook for debugger in exception handling (temporary).

  received ConfigureNotify event (to avoid recursion).
- Use XTranslateCoordinates in EVENT_GetGeometry instead of manually
  walking the tree.
- Set XSizeHint.win_gravity to StaticGravity for managed windows.