changed ExternalCall and SystemCallUserAction to inherit from core::Entity

...descartes.mm.applicationlevel/model/servicebehavior.ecore

...m.applicationlevel/model/servicebehavior.ecore.oclinecore

...s/mm/applicationlevel/servicebehavior/AbstractAction.java

...tes/mm/applicationlevel/servicebehavior/ExternalCall.java

...licationlevel/servicebehavior/ServicebehaviorPackage.java

...icationlevel/servicebehavior/impl/AbstractActionImpl.java

...plicationlevel/servicebehavior/impl/ExternalCallImpl.java

...evel/servicebehavior/impl/ServicebehaviorPackageImpl.java

...l/servicebehavior/util/ServicebehaviorAdapterFactory.java

...tionlevel/servicebehavior/util/ServicebehaviorSwitch.java

...nlevel/servicebehavior/util/ServicebehaviorValidator.java

...it.ipd.descartes.mm.usageprofile/model/usageprofile.ecore

...artes.mm.usageprofile/model/usageprofile.ecore.oclinecore

...kit/ipd/descartes/mm/usageprofile/AbstractUserAction.java

...t/ipd/descartes/mm/usageprofile/SystemCallUserAction.java

...it/ipd/descartes/mm/usageprofile/UsageProfilePackage.java

...escartes/mm/usageprofile/impl/AbstractUserActionImpl.java

...cartes/mm/usageprofile/impl/SystemCallUserActionImpl.java

...scartes/mm/usageprofile/impl/UsageProfilePackageImpl.java

...pd/descartes/mm/usageprofile/util/UsageProfileSwitch.java