the popup menu is not visible

and Red Hat.  Document the use of libxml2 as a weak prerequisite.

available screen resolution. We do this during enumeration, so there
would be no 24-bit modes available.

- added a close_process method to process_io
- made use of it to get rid of dbg_detach

- added -minidump and -minidump <file> options to command line

Those options are to be used in remplacement of --auto to create a minidump
In the form --minidump <file>, the minidump will be created in <file>,
otherwise the filename will be automatically generated.

- rewrote auto mode as a specific set of commands to be run in
  regular parser, instead of hard coding those commands
- added a new function to store a set of commands to be executed
  in a file
- added 'echo' command to the parser functions
- got rid of dbg_action_mode
- added support of '--' on command line

fix the errors.

Remove unneeded structures and functions from d3d8_private.h, clean
some datatypes up and remove d3dcore_gl.h.