Various gui & test script tweaks.

Change-Id: I62d8c560d4d533cd6d38ee9388a2a2e0400f51a2
diff --git a/web/api/src/main/java/org/onlab/onos/rest/ConfigResource.java b/web/api/src/main/java/org/onlab/onos/rest/ConfigResource.java
index 30fc51f..04e7836 100644
--- a/web/api/src/main/java/org/onlab/onos/rest/ConfigResource.java
+++ b/web/api/src/main/java/org/onlab/onos/rest/ConfigResource.java
@@ -55,7 +55,7 @@
             new ConfigProvider(cfg, get(DeviceProviderRegistry.class),
                                get(LinkProviderRegistry.class),
                                get(HostProviderRegistry.class)).parse();
-            return Response.ok(mapper.createObjectNode().toString()).build();
+            return Response.ok().build();
         } catch (Exception e) {
             log.error("Unable to parse topology configuration", e);
             return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString()).build();
diff --git a/web/gui/src/main/java/org/onlab/onos/gui/TopologyViewMessages.java b/web/gui/src/main/java/org/onlab/onos/gui/TopologyViewMessages.java
index fdf6caa..7a6a791 100644
--- a/web/gui/src/main/java/org/onlab/onos/gui/TopologyViewMessages.java
+++ b/web/gui/src/main/java/org/onlab/onos/gui/TopologyViewMessages.java
@@ -300,11 +300,10 @@
                 .put("master", master(device.id()));
 
         // Generate labels: id, chassis id, no-label, optional-name
+        String name = device.annotations().value("name");
         ArrayNode labels = mapper.createArrayNode();
+        labels.add(isNullOrEmpty(name) ? device.id().toString() : name);
         labels.add(device.id().toString());
-        labels.add(device.chassisId().toString());
-        labels.add(""); // compact no-label view
-        labels.add(device.annotations().value("name"));
 
         // Add labels, props and stuff the payload into envelope.
         payload.set("labels", labels);
@@ -340,7 +339,7 @@
         String hostType = host.annotations().value("type");
         ObjectNode payload = mapper.createObjectNode()
                 .put("id", host.id().toString())
-                .put("type", isNullOrEmpty(hostType) ? "host" : hostType)
+                .put("type", isNullOrEmpty(hostType) ? "endstation" : hostType)
                 .put("ingress", compactLinkString(edgeLink(host, true)))
                 .put("egress", compactLinkString(edgeLink(host, false)));
         payload.set("cp", hostConnect(mapper, host.location()));