removed roadmapping interface, reduced to abstract class
simplified abstract class name
added class
intermediate status (fixed offsets, not yet cleaned)
drawn road-userids at left boudary of roadsegment for both (peer)
roadsegments
changed sink and source drawing, generalized line drawing
changed speedlimit drawing
changed drawing of gradients
corrected brakelight for peer vehicles
fixed black/red flickering in velocity mode
fixed overtaking painting, cleaned code
corrected offset
quick-hacked test
added ignore
added test util