Port the BGP implementation of SDN-IP.
diff --git a/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/package-info.java b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/package-info.java
new file mode 100644
index 0000000..e39d7e0
--- /dev/null
+++ b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Implementation of the BGP protocol.
+ */
+package org.onlab.onos.sdnip.bgp;
\ No newline at end of file