 add default copy and assig. to CalorimeterHitImpl
 add default copy and assig. to CalorimeterHitImpl

iLCSoft/LCIO,petricm/LCIO,petricm/LCIO,petricm/LCIO,petricm/LCIO,iLCSoft/LCIO,iLCSoft/LCIO,iLCSoft/LCIO,petricm/LCIO,petricm/LCIO,iLCSoft/LCIO,iLCSoft/LCIO