Refactoring as per peer reviews and fix issue coming from conflict resolution
Merge pull request #172 from hastef88/configuration_peer_review_refactor

Refactoring as per peer reviews and fix issue coming from conflict resolution
performance related changes and some NPE fixed
Merge pull request #173 from indikasampath2000/performance

performance related changes and some NPE fixed
MQTT Performance improvements, Attending to TODOs
Merge pull request #174 from pamod/mqtt_dev

MQTT Performance improvements, Attending to TODOs
MQTT fixing some loggging issues
Merge pull request #175 from pamod/mqtt_dev

MQTT fixing some loggging issues