naming-standard: don't use \slot.
naming-standard: don't use \slot.

	* doc/specs/naming-standard.tex (\slot): Rename as...
	(\reqSlot): this.
	Eventually should be blended into the same style as elsewhere
	in the document.

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