Graphene-elastic

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2019-08-28

- Fixed travis config (moved to elasticsearch 6.x on travis, since 7.x was
causing problems).
- Fixes in setup.py.

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2019-08-26

- Documentation fixes.
- Add test suite and initial tests for filter backend and search backend.

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2019-08-25

- Added dynamic lookup generation for the filter backend.
- Working lookup param argument handling on the schema (filter backend).

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2019-08-24

- Initial alpha release.