VOL-2258 release for single-core compatibility

Change-Id: I89d89d6839da60c135fa6fe5dc6ea459818f3124
diff --git a/VERSION b/VERSION
index 97102b4..b1b25a5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.2-dev
+2.2.2