fix license headers (must be GPLv2 only)

...nents/applications/AStarPathPlanner/AStarPathPlannerApp.h

...ce/RobotComponents/applications/AStarPathPlanner/main.cpp

...botComponents/applications/DMPComponent/DMPComponentApp.h

source/RobotComponents/applications/DMPComponent/main.cpp

source/RobotComponents/applications/MMMPlayer/MMMPlayerApp.h

source/RobotComponents/applications/MMMPlayer/main.cpp

source/RobotComponents/applications/RobotIK/RobotIKApp.h

source/RobotComponents/applications/RobotIK/main.cpp

...ts/AStarPathPlannerTest/AStarPathPlannerTestComponent.cpp

...ests/AStarPathPlannerTest/AStarPathPlannerTestComponent.h

...mponents/applications/tests/AStarPathPlannerTest/main.cpp

.../RobotComponents/components/DMPComponent/DMPComponent.cpp

...ce/RobotComponents/components/DMPComponent/DMPComponent.h

...ts/components/DMPComponent/test/DMPComponentEnvironment.h

...ponents/components/DMPComponent/test/DMPComponentTest.cpp

source/RobotComponents/components/MMMPlayer/MMMPlayer.cpp

source/RobotComponents/components/MMMPlayer/MMMPlayer.h

...botComponents/components/MMMPlayer/test/MMMPlayerTest.cpp

...botComponents/components/PathPlanner/AStarPathPlanner.cpp

...RobotComponents/components/PathPlanner/AStarPathPlanner.h