Message Spec for Local Navigation Lab

ColorMsg
	int64 r
	int64 g
	int64 b

GUILineMsg
	float64 lineA
	float64 lineB
	float64 lineC
	ColorMsg color


GUIPointMsg
	float64 x
	float64 y
	int64 shape
	ColorMsg color

GUISegmentMSg
	float64 startX
	float64 endX
	float64 startY
	float64 endY
	ColorMsg color