improve doxygen, remove license from doxygen comment block

Framework/Cascade/Step.cc

Framework/Cascade/testCascade.cc

Framework/Geometry/BaseTrajectory.h

Framework/Geometry/BaseVector.h

Framework/Geometry/CoordinateSystem.cc

Framework/Geometry/CoordinateSystem.h

Framework/Geometry/FourVector.h

Framework/Geometry/Helix.h

Framework/Geometry/Line.h

Framework/Geometry/Point.h

Framework/Geometry/QuantityVector.h

Framework/Geometry/RootCoordinateSystem.h

Framework/Geometry/Sphere.h

Framework/Geometry/Trajectory.h

Framework/Geometry/Vector.h

Framework/Geometry/Volume.h

Framework/Geometry/testFourVector.cc

Framework/Geometry/testGeometry.cc

Framework/Logging/BufferedSink.h

Framework/Logging/Logger.h