Removing some old dependencies in bgprouter.
Fixing the ICMP handlers in a couple of apps.
Adding some sample configs.

Change-Id: Id33e0effd9452558fc4d07d78b093f0818e96d23
diff --git a/apps/bgprouter/src/main/java/org/onosproject/bgprouter/IcmpHandler.java b/apps/bgprouter/src/main/java/org/onosproject/bgprouter/IcmpHandler.java
index 8826535..6130a2e 100644
--- a/apps/bgprouter/src/main/java/org/onosproject/bgprouter/IcmpHandler.java
+++ b/apps/bgprouter/src/main/java/org/onosproject/bgprouter/IcmpHandler.java
@@ -101,6 +101,7 @@
         icmpReplyIpv4.setChecksum((short) 0);
 
         ICMP icmpReply = new ICMP();
+        icmpReply.setPayload(((ICMP) icmpRequestIpv4.getPayload()).getPayload());
         icmpReply.setIcmpType(ICMP.TYPE_ECHO_REPLY);
         icmpReply.setIcmpCode(ICMP.SUBTYPE_ECHO_REPLY);
         icmpReply.setChecksum((short) 0);