gamnit :: GamnitProgram :: uniforms
Active uniforms are gathered at compile_and_link.
Upon request, inactive attributes are returned as a new InactiveUniform.
	# Uniforms of this program organized by name
	#
	# Active uniforms are gathered at `compile_and_link`.
	# Upon request, inactive attributes are returned as a new `InactiveUniform`.
	var uniforms = new UniformMap(self)
					lib/gamnit/programs.nit:465,2--469,36