only install aur packages if needed. closes #482
only install aur packages if needed. closes #482

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