Fix config format backwards compatibility

Issue-ID: DCAEGEN2-501
Change-Id: I8638518c7e72547d6fc4262f4e815dede9b9fb78
Signed-off-by: Lusheng Ji <lji@research.att.com>
diff --git a/tca-cdap-container/tca_app_config.json b/tca-cdap-container/tca_app_config.json
index d6adcb7..24234dc 100644
--- a/tca-cdap-container/tca_app_config.json
+++ b/tca-cdap-container/tca_app_config.json
@@ -2,7 +2,7 @@
   "artifact": {
     "name": "dcae-analytics-cdap-tca",
     "scope": "user",
-    "version": "2.2.0.SNAPSHOT"
+    "version": "2.2.1"
   },
   "config": {
     "appDescription": "DCAE Analytics Threshold Crossing Alert Application",