Release v2.3.6

Change-Id: I0b5adcca7b114fe2e14354f2782310e061e77ac8
diff --git a/VERSION b/VERSION
index a2a044c..e75da3e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.3.6-dev
+2.3.6