wineps.drv: Return correct values for DESKTOPHORZ/VERTRES since they are used to setup the visible region.

(spotted by Alessandro Pignotti).

winex11.drv: Do not ignore the keysyms assigned to a group switch, it leads to side effects like missing KeyRelease events.

Only objects that have been registered for a class context that matches 
the requested class context should be returned.

ole32: OleLoad should call CoCreateInstance with CLSCTX_INPROC_SERVER as well as CLSCTX_INPROC_HANDLER.

This ensures that applications that change the strings received in
status callbacks don't affect the data needed to successfully connect to
the correct server.

Add a test to show that PackageCode is set by MSI.

Create an array of handles to wait on so that we can wait without
holding a critical section.

Add tests for these properties.
Update the todo list of properties to set.