Start of pooling support for RtlQueueWorkItem. The algorithm
implmented is very simple - if there are no free threads, create a new
one.

InternetCreateUrlW should return the number of bytes needed to store
the URL, not the number of characters (reported by Sven Paschukat).

By returning FALSE from this call, a builtin dll can specify that we
should try to load the native one instead.

Now that wineprefixcreate detects the build tree automatically, the
standard behavior of starting it from ntdll should work fine.

It may be a builtin exe in which case the CreateProcess call will
succeed.

applications instead of using symlinks.

This should satisfy applications that access a dll file directly. For
apps that check the dll version in the file, the version resource is
copied from the builtin dll.

Put keyboard & mouse hook callbacks into separate thread.
Move few global variables into object. Delete no longer used crit section.
For hooks to work properly hook callback have to be in a thread
with message loop. Some games create separate threads just to handle
mouse and/or keyboard events that do not have message loop.

wProcessorRevision is built from model and stepping.

Add a simple test for bitmap bits/metrics, fix GetBitmapBits for an
empty (not selected into a DC) bitmap.