* [NOD-380] Add MQTT to the project.
* [NOD-380] Add MQTT params to config.
* [NOD-380] Implement connecting to an mqtt broker.
* [NOD-380] Fix a comment.
* [NOD-380] Removed unnecessary option.
* [NOD-380] Added comments to MQTT functions.
* [NOD-380] Fix copy+paste error.
* [NOD-380] Make it so that all the mqtt flags must be passed together.
* [NOD-380] Use activeConfig instead of passing it everywhere.
