changed kernel model for externally referenced files

refs 1007

org.fortiss.tooling.kernel/trunk/model/kernel.ecore

@@ -91,4 +91,7 @@
     <eStructuralFeatures xsi:type="ecore:EReference" name="libraryElements" upperBound="-1"
         eType="#//ILibraryElement" containment="true"/>
   </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="IExternalDocumentReference">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="uri" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+  </eClassifiers>
 </ecore:EPackage>

org.fortiss.tooling.kernel/trunk/model/kernel.genmodel

@@ -41,5 +41,8 @@
       <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference kernel.ecore#//ILibraryPackage/subPackages"/>
       <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference kernel.ecore#//ILibraryPackage/libraryElements"/>
     </genClasses>
+    <genClasses ecoreClass="kernel.ecore#//IExternalDocumentReference">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute kernel.ecore#//IExternalDocumentReference/uri"/>
+    </genClasses>
   </genPackages>
 </genmodel:GenModel>