Merge pull request dials#48 from dials/pytest-plugin

convert dials_data to pytest plugin

1.0 release

* Add functions for forward-compatibility
* Enable new release process including automatic deployment of updates
* Clean up documentation

0.5.0 → 0.6.0: Fix PyPI readme (dials#24)

Add test for PyPI README validation and update version.
https://packaging.python.org/guides/making-a-pypi-friendly-readme/#validating-restructuredtext-markup

Bump version: 0.4.0 → 0.5.0

Bump version: 0.3.0 → 0.4.0

Bump version: 0.2.0 → 0.3.0

Bump version: 0.1.0 → 0.2.0

fix travis deployment configuration