Setup Travis & try getting tests to run

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Depends on:

• [x] https://github.com/BetterWorks/django-anonymizer/pull/11
• [x] https://github.com/BetterWorks/django-anonymizer/pull/12
• [x] https://github.com/BetterWorks/django-anonymizer/pull/13
• [x] https://github.com/BetterWorks/django-anonymizer/pull/14
• [x] https://github.com/BetterWorks/django-anonymizer/pull/15
• [x] https://github.com/BetterWorks/django-anonymizer/pull/16
• [x] https://github.com/BetterWorks/django-anonymizer/pull/17
• [x] https://github.com/BetterWorks/django-anonymizer/pull/18

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I have :ant: in my :jeans:, post merge CR please?