Change pyclutter_actor_box_from_pyobject to float
Change pyclutter_actor_box_from_pyobject to float

pyclutter_actor_box_from_pyobject should also use float values instead
of integer.

GNOME/pyclutter,GNOME/pyclutter,pmarti/pyclutter,pmarti/pyclutter,pmarti/pyclutter,pmarti/pyclutter