Opinion of the Commission pursuant to Article 251 (2), third subparagraph, point (c) of the EC Treaty, on the European Parliament's amendments to the Council's common position regarding the proposal for a Directive of the European Parliament and of the Council establishing a Community monitoring, control and information system for maritime traffic and repealing Directive 93/75/EEC amending the proposal of the Commission pursuant to Article 250 (2) of the EC Treaty