Yafowil.bootstrap

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- Nothing changed yet.

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- Release wheel.
[rnix]

- Remove empty doctest.
[rnix]

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- Use ``bs_field_class`` callback for ``field.class`` property when registering
``array`` macro.
[rnix]

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- Use ``yafowil.utils.entry_point`` decorator.
[rnix]

- Cleanup macro registration.
[rnix]

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- Use ``configure`` entry point for theme configuration.
[rnix]

- Rename resource group ``bootstrap`` to ``bootstrap.dependencies``.
[rnix]

- Remove bootstrap macros for yafowil and set factory defaults for common
widgets where appropriate.
[rnix]

- Update to bootstrap 3.2.
[rnix]

---

- Register the bootstrap.js javascript too.
[thet]