Release v2.1.0

Change-Id: Ibcc509cee30b1ba305a62e2f6bd7235e79046512
diff --git a/VERSION b/VERSION
index e967cc4..7ec1d6d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.0-dev0
+2.1.0