VOL-2030 Return to -dev version

Change-Id: I52315c0415c9df5585441216b4db8981c71e219a
diff --git a/VERSION b/VERSION
index ccbccc3..84e6d84 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.0
+2.2.1-dev