fixed comet trail colors again.  closes #486
fixed comet trail colors again.  closes #486

JNeiger/robocup-software,RoboJackets/robocup-software,RoboJackets/robocup-software,JNeiger/robocup-software,RoboJackets/robocup-software,JNeiger/robocup-software,RoboJackets/robocup-software,JNeiger/robocup-software,JNeiger/robocup-software