* Add version endpoint to MQTT adapter
Expose CoAP version endpoint in the default docker-compose.
Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com>
* Use /tcp insted of implicit protocol name
Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com>