improved simulator thread stop() method
improved simulator thread stop() method

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