SEBA-497 delayering, Makefile, and tox for vrouter

Change-Id: I6fb42836eeb9a3ee4457933db8a1094db8af53af
diff --git a/VERSION b/VERSION
index 931d807..c10edc3 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.0.7-dev
+2.1.0-dev