Fixed AR-451: Display both current version of repo and installed version of repo

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2485 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/descriptor/DescriptorService.java

@@ -33,10 +33,11 @@ public interface DescriptorService
     public Descriptor getServerDescriptor();
     
     /**
-     * Get descriptor for the repository
+     * Get descriptor for the repository as it was when first installed.  The current
+     * repository descriptor will always be the same as the
+     * {@link #getServerDescriptor() server descriptor}.
      * 
      * @return  repository descriptor
      */
-    public Descriptor getRepositoryDescriptor();
-    
+    public Descriptor getInstalledRepositoryDescriptor();
 }