Update README and CHANGELOG, fix minor bugs

CHANGELOG.md

@@ -0,0 +1,48 @@
+# Frinx Machine 1.7 RELEASE NOTE
+
+## Uniconfig
+
+* Using Uniconfig 4.2.8 - stateless model
+* Multi-zone with multi-instance uniconfig deployment
+* Use Traefik as a load balancer in front of Uniconfig instances in each zone 
+
+## Conductor
+
+* Update conductor server to 3.0.5
+* Disabled ack check in client
+* Changed health-check API
+* Optimise Frinx Conductor Client - PyPi version 1.0.3
+
+## Conductor workers
+
+* Install/Uninstall RPCs
+* Frinx Conductor Workers -  PyPi version 1.0.2
+
+## Device inventory
+
+* Replace old inventory with new Device Inventory
+
+## KrakenD
+
+* Update KrakenD image to v1.4.0
+* Add default certificates to docker image
+* No local building required
+* Add log filtering plugin
+
+## FM-Workflows
+
+* Clean obsolete workflows
+* Add device inventory worker
+* Optimise tasts definitions for conductor client v 1.3.0
+* Mock IOS02 as a separate device
+
+## Docker secrets
+
+* Store certificates in docker secrets
+
+## Monitoring services
+
+* Collecting swarm statistics 
+* Collecting node statistics 
+* Collecting logs of FM services
+* Grafana visualisation