- do not add extra space; modify the tests to confirm this;
- right flush to the menu tab stop, not to the menu border;
- small fixes to the menu tab stop calculation.

This fixes texture colours in many D3D games (verified with Age Of Mythology).

(as defined by the PSDK) so the ServerAllocSize part is easier to
calculate.

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