Post release increment to version 2.1.2-dev

Change-Id: I0f6edccf499273df65a8672bd9d88b7e3f954995
diff --git a/VERSION b/VERSION
index 3e3c2f1..7f8d85c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.1
+2.1.2-dev