Updates to compile with acts-15.1.0

CMakeLists.txt

JugTrack/JugTrack/GeometryContainers.hpp

JugTrack/JugTrack/IndexSourceLink.hpp

JugTrack/JugTrack/Measurement.hpp

JugTrack/JugTrack/Trajectories.hpp

JugTrack/src/components/CKFTracking.cpp

JugTrack/src/components/CKFTracking.h

JugTrack/src/components/CKFTrackingFunction.cpp

JugTrack/src/components/SingleTrackSourceLinker.cpp

JugTrack/src/components/TrackFindingAlgorithm.cpp

JugTrack/src/components/TrackFindingAlgorithm.h

JugTrack/src/components/TrackFindingAlgorithmFunction.cpp

JugTrack/src/components/TrackFittingAlgorithm.cpp

JugTrack/src/components/TrackFittingAlgorithm.h

JugTrack/src/components/TrackFittingFunction.cpp

JugTrack/src/components/TrackerSourceLinker.cpp