OwnerChange(final Territory territory,final PlayerID newOwner){
  m_territory=territory.getName();
  m_new=getName(newOwner);
  m_old=getName(territory.getOwner());
}

OwnerChange ( final Territory territory , final PlayerID newOwner ) { m_territory = territory . getName ( ) ; m_new = getName ( newOwner ) ; m_old = getName ( territory . getOwner ( ) ) ; }
newowner can be null
