Netflow store and cli implementation

Implemented netflow version 9 of netflow collector store and cli.

Reference :  https://datatracker.ietf.org/doc/html/rfc3954

Change-Id: I0b2ec932c28bc3b36042c7a725a41956cc859fcd
diff --git a/apps/netflow/app/BUILD b/apps/netflow/app/BUILD
index 747d61d..c1a4601 100644
--- a/apps/netflow/app/BUILD
+++ b/apps/netflow/app/BUILD
@@ -1,4 +1,4 @@
-COMPILE_DEPS = CORE_DEPS + [
+COMPILE_DEPS = CORE_DEPS + KRYO + CLI + [
     "//core/store/serializers:onos-core-serializers",
     "//apps/netflow/api:onos-apps-netflow-api",
     "@io_netty_netty_common//jar",
@@ -6,5 +6,6 @@
 ]
 
 osgi_jar(
+    karaf_command_packages = ["org.onosproject.netflow.cli"],
     deps = COMPILE_DEPS,
 )