fix for issue #7 in editors (linking resource cannot connect containers)

...ipd.descartes.mm.resourcelandscape.edit/plugin.properties

...ion/provider/ActiveResourceSpecificationItemProvider.java

...tion/provider/ConfigurationSpecificationItemProvider.java

...rovider/CustomConfigurationSpecificationItemProvider.java

...rovider/CustomResourceConfigurationModelItemProvider.java

...on/provider/LinkingResourceSpecificationItemProvider.java

...provider/NumberOfParallelProcessingUnitsItemProvider.java

...uration/provider/PassiveResourceCapacityItemProvider.java

...on/provider/PassiveResourceSpecificationItemProvider.java

...provider/ProcessingResourceSpecificationItemProvider.java

...ider/ResourceconfigurationItemProviderAdapterFactory.java

...provider/CompositeHardwareInfrastructureItemProvider.java

...ndscape/provider/ComputingInfrastructureItemProvider.java

.../mm/resourcelandscape/provider/ContainerItemProvider.java

...mm/resourcelandscape/provider/DataCenterItemProvider.java

...landscape/provider/DistributedDataCenterItemProvider.java

...andscape/provider/HardwareInfrastructureItemProvider.java

...dscape/provider/NetworkingInfrastructureItemProvider.java

...sourcelandscape/provider/ResourcelandscapeEditPlugin.java

...provider/ResourcelandscapeItemProviderAdapterFactory.java