VOL-2314 Release version 2.2.4

Change-Id: Ia2c5949ec83890bec5f1b0abb4fbda694e32fc15
diff --git a/VERSION b/VERSION
index bdbe651..530cdd9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.4-dev
+2.2.4