CORD GUI - Relabel url-filter levels OFF and NONE to NONE and ALL. (i.e. NONE allowed, or ALL allowed).

Change-Id: I48121f275f0815375bbbedd8fefd565a17d12d10
diff --git a/apps/demo/cord-gui/src/main/java/org/onosproject/cord/gui/model/UrlFilterFunction.java b/apps/demo/cord-gui/src/main/java/org/onosproject/cord/gui/model/UrlFilterFunction.java
index e26935d..ec1ff38 100644
--- a/apps/demo/cord-gui/src/main/java/org/onosproject/cord/gui/model/UrlFilterFunction.java
+++ b/apps/demo/cord-gui/src/main/java/org/onosproject/cord/gui/model/UrlFilterFunction.java
@@ -31,10 +31,10 @@
 
     /**
      * Denotes the URL filtering levels available. From most restrictive
-     * to least restrictive. Note: <em>OFF</em> denies everything;
-     * <em>NONE</em> allows everything.
+     * to least restrictive. Note: <em>NONE</em> allows nothing;
+     * <em>ALL</em> allows everything.
      */
-    public enum Level { OFF, G, PG, PG_13, R, NONE }
+    public enum Level { NONE, G, PG, PG_13, R, ALL }
 
     /**
      * The default URL filtering level