Continuous Integration/Deployment using Travis

## Reasoning

It's nice to have, and takes a lot of work out of manual testing.
Travis is free for open source projects.
## Method
- Activate [Travis](https://docs.travis-ci.com/user/getting-started/).
- Create a [Travis config file](https://docs.travis-ci.com/user/customizing-the-build) for deployment and integration testing.
- Use [dpl](https://github.com/travis-ci/dpl) for deployment.
