Update copywrite banners

...exAssociationTool/Root/BaseTrackVertexAssociationTool.cxx

...r/InDetRecTools/TrackVertexAssociationTool/Root/LinkDef.h

...xAssociationTool/Root/LooseTrackVertexAssociationTool.cxx

...xAssociationTool/Root/TightTrackVertexAssociationTool.cxx

...VertexAssociationTool/Root/TrackVertexAssociationTool.cxx

...ackVertexAssociationTool/BaseTrackVertexAssociationTool.h

...rtexAssociationTool/TrackVertexAssociationTool/CheckExc.h

...ertexAssociationTool/ElectronTrackVertexAssociationTool.h

.../TrackVertexAssociationTool/ITrackVertexAssociationTool.h

...ckVertexAssociationTool/LooseTrackVertexAssociationTool.h

...ackVertexAssociationTool/MuonTrackVertexAssociationTool.h

...ckVertexAssociationTool/TightTrackVertexAssociationTool.h

...ol/TrackVertexAssociationTool/TrackVertexAssociationMap.h

...l/TrackVertexAssociationTool/TrackVertexAssociationTool.h

...ackVertexAssociationTool/TrackVertexAssociationToolDict.h

...TrackVertexAssociationTool/src/TrackVertexAssoTestAlg.cxx

...s/TrackVertexAssociationTool/src/TrackVertexAssoTestAlg.h

...ckVertexAssociationTool/util/TrackVertexAssoValidator.cxx