Changes in this release:
- Update to release 2.0.0 of the IoTAgent library.
- Use wildcards for topics subscription instead of subscribing to each topic separately (#112)
- Implement commands (#108)
- Git repository rename from iotagent-mqtt iotagent-json, this implies changes in a lot of files.
- ADD Travis CI to the repository (#122).
- Add configuration service (#121).
- Add environment variable configuration (#125).
- Add a prefix for all the environment variables (#133)
- Change the final command status name (#135)