Moved the BGP Route Intent synchronization mechanism from the Router class
to the new class IntentSynchronizer.

Also, minor cleanup in some of the method names and access scope.

Change-Id: I38257cd1d9516ef3b3dd50f23c28015054c73d70
diff --git a/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/BgpSessionManager.java b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/BgpSessionManager.java
index b6dfd34..aaf26fa 100644
--- a/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/BgpSessionManager.java
+++ b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/BgpSessionManager.java
@@ -181,8 +181,8 @@
      * @param listenPortNumber the port number to listen on. By default
      * it should be BgpConstants.BGP_PORT (179)
      */
-    public void startUp(int listenPortNumber) {
-        log.debug("BGP Session Manager startUp()");
+    public void start(int listenPortNumber) {
+        log.debug("BGP Session Manager start.");
         isShutdown = false;
 
         ChannelFactory channelFactory =
@@ -222,9 +222,9 @@
     }
 
     /**
-     * Shuts down the BGP Session Manager operation.
+     * Stops the BGP Session Manager operation.
      */
-    public void shutDown() {
+    public void stop() {
         isShutdown = true;
         allChannels.close().awaitUninterruptibly();
         serverBootstrap.releaseExternalResources();