Django-generic-filters

- Remove support of the pagination.

- Warning remove order_by_list which was merged with default_order
- Is form submitted return True when the request method is GET and have data in request.
- Adding form_empty method.

- Missing files.

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- Fix order_by and order_reverse.
- Fix is_form_submitted method.
- Refactoring.

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- FilteredForm now use the mixins.
- Improve documentation
- Implement the get_qs_filter method
- FilterFields list view

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- Search for each terms instead of searching for the full string in order.
- Let use redefine the All value
- Allow html in choice labels
- Fix import path in documentation.