updates for page management, and replacing empty options with Constant empty options for pageData in EditConfigurationTemplateModel in populateDropdowns and also logging error if name in pageData already in use for that field name

webapp/web/WEB-INF/ontologies/app/menu.n3

@@ -60,7 +60,7 @@ display:pageListData
         OPTIONAL {?listedPageUri display:requiresBodyTemplate ?listedPageTemplate .}
         OPTIONAL {?listedPageMenuItem display:toPage ?listedPageUri .}
         OPTIONAL {?listedPageUri display:cannotDeletePage ?listedPageCannotDeletePage .}
-     }  """ .      
+     }  ORDER BY ?listedPageTitle """ .      
 ###Page Management and Data Getters
 #Data getter type labels
 <java:edu.cornell.mannlib.vitro.webapp.utils.dataGetter.ClassGroupPageData>  rdfs:label "Class Group Page" .

webapp/web/WEB-INF/web.xml

@@ -359,6 +359,8 @@
     <url-pattern>/deletePropertyController</url-pattern>
   </servlet-mapping>
   
+  
+  
    <servlet>
     <servlet-name>PostEditCleanupController</servlet-name>
     <servlet-class>edu.cornell.mannlib.vitro.webapp.edit.n3editing.controller.PostEditCleanupController</servlet-class>
@@ -368,6 +370,15 @@
     <url-pattern>/postEditCleanupController</url-pattern>
   </servlet-mapping>
   
+  <servlet>
+    <servlet-name>DeletePageController</servlet-name>
+    <servlet-class>edu.cornell.mannlib.vitro.webapp.controller.edit.DeletePageController</servlet-class>
+  </servlet>
+  <servlet-mapping>
+    <servlet-name>DeletePageController</servlet-name>
+    <url-pattern>/deletePageController</url-pattern>
+  </servlet-mapping>
+  
   <servlet>
   	<servlet-name>EditRequestDispatch</servlet-name>
   	<servlet-class>edu.cornell.mannlib.vitro.webapp.edit.n3editing.controller.EditRequestDispatchController</servlet-class>