NIHVIVO-1379 If a user is logged in but not authorized to view a page, send them to a page with an explanation.

webapp/config/web.xml

@@ -395,6 +395,10 @@
     <servlet-name>EmptyController</servlet-name>
     <url-pattern>/login</url-pattern>
   </servlet-mapping>
+  <servlet-mapping>
+    <servlet-name>EmptyController</servlet-name>
+    <url-pattern>/insufficientAuthorization</url-pattern>
+  </servlet-mapping>
   
   <servlet>
     <servlet-name>RevisionInfoController</servlet-name>