initial commit of relast model generator (and some fixes and improvements)

src/test/resources/ecore/zoo-gen/ClassicModels.ecore

src/test/resources/ecore/zoo-gen/Cocus.owl.ecore

...urces/ecore/zoo-gen/Collaborations_Interactions_UML.ecore

src/test/resources/ecore/zoo-gen/CompanyStructure.ecore

src/test/resources/ecore/zoo-gen/ComponentUML.ecore

src/test/resources/ecore/zoo-gen/Conference.owl.ecore

src/test/resources/ecore/zoo-gen/Contact.ecore

src/test/resources/ecore/zoo-gen/ControllerUML.ecore

src/test/resources/ecore/zoo-gen/Cristal.ecore

src/test/resources/ecore/zoo-gen/DOT.ecore

src/test/resources/ecore/zoo-gen/DSL.ecore

src/test/resources/ecore/zoo-gen/DSLModel.ecore

src/test/resources/ecore/zoo-gen/DSLtools.ecore

src/test/resources/ecore/zoo-gen/DTD.ecore

src/test/resources/ecore/zoo-gen/DTMP.ecore

src/test/resources/ecore/zoo-gen/DXF.ecore

src/test/resources/ecore/zoo-gen/DeploymentReport.ecore

src/test/resources/ecore/zoo-gen/DiagramInterchange.ecore

src/test/resources/ecore/zoo-gen/DoDAF-OV5.ecore

src/test/resources/ecore/zoo-gen/DoDAF-SV4.ecore