Removed legacy GUI.
FIxed an NPE in the devices table.
Added cord-gui to obs.exclude

Change-Id: I18a53d2c44c6c97fb7f5d16b7446942a1a37ddca
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/TopologyResource.java b/web/gui/src/main/java/org/onosproject/ui/impl/TopologyResource.java
index 2e37b6f..b71b9f8 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/TopologyResource.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/TopologyResource.java
@@ -52,7 +52,7 @@
         ArrayNode devices = mapper.createArrayNode();
         ArrayNode hosts = mapper.createArrayNode();
 
-        Map<String, ObjectNode> metaUi = TopologyViewMessages.getMetaUi();
+        Map<String, ObjectNode> metaUi = TopologyViewMessageHandler.getMetaUi();
         for (String id : metaUi.keySet()) {
             ObjectNode memento = metaUi.get(id);
             if (id.charAt(17) == '/') {