Move BGP shortest path intent to new intent

1. replace BGP old shortest path intent with new PointToPoint intent.
2. add ICMP path intents for BGP and its peers.
3. add a new REST API to start SDN-IP application. Before the intent
   framework is ready, both old API and new API can be used.

Change-Id: Iacc28424ed4bd341af1617b508661758af891dbd
diff --git a/src/main/java/net/onrc/onos/apps/sdnip/ISdnIpService.java b/src/main/java/net/onrc/onos/apps/sdnip/ISdnIpService.java
index a2abaa1..1e7bd08 100644
--- a/src/main/java/net/onrc/onos/apps/sdnip/ISdnIpService.java
+++ b/src/main/java/net/onrc/onos/apps/sdnip/ISdnIpService.java
@@ -54,4 +54,11 @@
      */
     public void beginRouting();
 
+    /**
+     * Start SDN-IP Routing.
+     * Before intent framework is ready, we need two methods to start the
+     * application.
+     */
+    public void beginRoutingWithNewIntent();
+
 }