Stop "for i in" support, add "for (var e in c)" support.
Stop "for i in" support, add "for (var e in c)" support.

	* src/parser/ugrammar.y (for i in e b): Remove.
	(colon_or_in): New.
	Use it.

aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi