2004-10-13  Vincent Untz  <vincent@vuntz.net>

	Add a keybinding to launch a terminal

	* src/keybindings.c: (handle_run_terminal): new function,
	(error_on_generic_command): new function, (error_on_command): wrapper
	around error_on_generic_command(), (error_on_terminal_command): new
	function

	* src/metacity.schemas.in: add run_command_terminal key

	* src/prefs.[ch]: (meta_prefs_init): cache the terminal command and
	register a gconf callback to update it, (change_notify): handle the
	notification of terminal command changes, (meta_preference_to_string):
	add the terminal command case, (update_terminal_command): new function,
	(meta_prefs_get_terminal_command): new function,
	(meta_prefs_get_gconf_key_for_terminal_command): new function