Colour for the border of a class when refined

Defaults to a shade of red

Property definitions

nitc :: uml_module $ MClassDef :: redef_colour=
	# Colour for the border of a class when refined
	#
	# Defaults to a shade of red
	var redef_colour = "#B24758"
src/uml/uml_module.nit:70,2--73,29