VOL-3616:Handle each received kafka msg in a separate task

Change-Id: I12df9dd0f6dfbfa72ec91bb057e5361b4ea6dd6c
diff --git a/VERSION b/VERSION
index 9cf22a4..0cadbc1 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.5.4-dev
+2.5.5