refactorings on adaptation metamodel

tools.descartes.dni.adaptation/model/DNIMM3AP.xcore

tools.descartes.dni.adaptation/plugin.properties

...artes/dni/dnimm3ap/AdaptableEndPerformanceRepository.java

.../dnimm3ap/AdaptableIntermediatePerformanceRepository.java

...rtes/dni/dnimm3ap/AdaptableLinkPerformanceRepository.java

...tools/descartes/dni/dnimm3ap/AdaptableLinkRepository.java

...mm3ap/AdaptableNetworkInterfacePerformanceRepository.java

...tes/dni/dnimm3ap/AdaptableNetworkInterfaceRepository.java

...tools/descartes/dni/dnimm3ap/AdaptableNodeRepository.java

...s/dni/dnimm3ap/AdaptableSdnNodePerformanceRepository.java

...on/src/tools/descartes/dni/dnimm3ap/AdaptationGroups.java

...on/src/tools/descartes/dni/dnimm3ap/AdaptationPoints.java

.../tools/descartes/dni/dnimm3ap/AdaptationRepositories.java

...tation/src/tools/descartes/dni/dnimm3ap/DNIAPFactory.java

...tation/src/tools/descartes/dni/dnimm3ap/DNIAPPackage.java

...ls/descartes/dni/dnimm3ap/IAdaptableEntityRepository.java

.../dnimm3ap/impl/AdaptableEndPerformanceRepositoryImpl.java

.../impl/AdaptableIntermediatePerformanceRepositoryImpl.java

...dnimm3ap/impl/AdaptableLinkPerformanceRepositoryImpl.java

...cartes/dni/dnimm3ap/impl/AdaptableLinkRepositoryImpl.java