Start version 2.1.0-dev

Change-Id: I32e0fe9625e0b01450de84e5ef843a412cfcdecb
diff --git a/VERSION b/VERSION
index e9307ca..c10edc3 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.0.2
+2.1.0-dev