Cleanup and javadocs for SDN-IP code

 plus refactor a unit test that started failing

Change-Id: Ib9f0f8eefc2ba7a9798d8f01b537dae18dd2920c
diff --git a/apps/sdnip/src/main/java/org/onlab/onos/sdnip/SdnIp.java b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/SdnIp.java
index d66ec9c..5ce37c8 100644
--- a/apps/sdnip/src/main/java/org/onlab/onos/sdnip/SdnIp.java
+++ b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/SdnIp.java
@@ -26,7 +26,7 @@
 @Service
 public class SdnIp implements SdnIpService {
 
-    private static final String SDN_ID_APP = "org.onlab.onos.sdnip";
+    private static final String SDN_IP_APP = "org.onlab.onos.sdnip";
 
     private final Logger log = getLogger(getClass());
 
@@ -53,8 +53,10 @@
 
         InterfaceService interfaceService = new HostToInterfaceAdaptor(hostService);
 
-        ApplicationId appId = coreService.registerApplication(SDN_ID_APP);
-        peerConnectivity = new PeerConnectivityManager(appId, config, interfaceService, intentService);
+        ApplicationId appId = coreService.registerApplication(SDN_IP_APP);
+
+        peerConnectivity = new PeerConnectivityManager(appId, config,
+                interfaceService, intentService);
         peerConnectivity.start();
 
         router = new Router(appId, intentService, hostService, config, interfaceService);