Added sha2 file checking to build script
Added sha2 file checking to build script

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