* Check if the selected element is a group ot not. A symbol or button must be a group. * Reimplement the button editor. We will use another instance of the inkscape to edit the content of a button.

include_HEADERS = 	\
	mb_animate.h 	\
	mb.h	 	\
	mb_timer.h 	\
	mb_types.h 	\
	mb_observer.h	\
	mb_paint.h	\
	mb_redraw_man.h	\
	mb_shapes.h	\
	mb_tools.h	\
	mb_prop.h	\
	mb_X_supp.h