[SEBA-598] Support OLT.mac_address in pull_steps

Change-Id: I464e9f9fd42c83af3f3589b36b7c53be57b99ae7
diff --git a/VERSION b/VERSION
index c043eea..97102b4 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.1
+2.2.2-dev