fix #106 stop using travis.ci as it is not free anymore

[regevbr]

Summary

This PR fixes/implements the following bugs/features

• [ ] Bug 1
• [ ] Bug 2
• [ ] Feature 1
• [ ] Feature 2
• [ ] Breaking changes

Explain the motivation for making this change. What existing problem does the pull request solve?

Test plan (required)

[codeclimate[bot]]

Code Climate has analyzed commit f73f61ee and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 100.0%.

View more on Code Climate.