VOL-2258 release 2.2.2

Change-Id: I71eb257b1e042bea164700fa211d1c249c5f5b27
diff --git a/VERSION b/VERSION
index 97102b4..b1b25a5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.2-dev
+2.2.2