Deleting old icons

Deleting old icons
	modified:   po/gtkdiskfree.pot
	modified:   src/icons/atr_logo.xpm
	modified:   src/icons/atr_window.xpm
	modified:   src/icons/error.xpm
	deleted:    src/icons/help.xpm
	deleted:    src/icons/mount.xpm
	deleted:    src/icons/options.xpm
	deleted:    src/icons/refresh.xpm
	deleted:    src/icons/stop.xpm
	deleted:    src/icons/umount.xpm
	modified:   src/interface.c
	modified:   src/menus.c
	modified:   src/widgets.c
	modified:   src/widgets.h