Opinion of the European Economic and Social Committee on: the ‘Proposal for a Directive of the European Parliament and of the Council on specific stability requirements for Ro-Ro Passenger Ships’, and the ‘Proposal for a Directive of the European Parliament and of the Council amending Council Directive 98/18/EC of 17 March 1998, on Safety Rules and Standards for Passenger Ships’ (COM(2002) 158 final)