Releasing version 1.2.1

Change-Id: I40c310f91d3aad6e84ff5afb19d4fca7240c367a
diff --git a/VERSION b/VERSION
index 538ee20..6085e94 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.1-dev
+1.2.1