
 - Moved "default_foreground_colour" and "default_background_colour" into
   libfizmo.
 - Removed dead / outcommented code.
 - Moved "background-color", "foreground-color", "dont-use-colors" and
   "enable-colors" configuration option parsing into libfizmo.
 - Furher cleaned up color management.

chrender/libcellif