Wagtaildraftail

Fixed

- Fixed error for block/field with default value.

Add

- Equality check for DraftText nodes.
- Add default entity strategy.

Changed

- Rename the default editor to `default_draftail`.
- Rename the `utilities` module to `utils` to follow Django convention.
- Rename `JsonTextArea` widget to `DraftailTextArea`.
- Move the `get_exporter_config` from the `settings` module to the `utils` module.
- Move entity `decorator` and `source` definition to Python.
- Bumped `wagtaildraftail` dependency to `0.8.0`. See the updated example configuration below or the module's [changelog](https://github.com/springload/wagtaildraftail/blob/v0.8.0/CHANGELOG.mdv080) for a full list of changes.

Added

- DraftText(RichText) implementation
- New DraftailTextBlock using new DraftText implementation
- Support for Python 3.6

Removed

- Remove custom filters
- Remove custom template tags

Fixed

- Fix blocks.py import paths
- Fix DraftailTextField prep_value generation for Django>1.8

Fixed

- Add missing `get_document_meta` utility function – up until now documents rendered a (todo todo) placeholder instead of their metadata. 21

Fixed

- Fix documentation formatting.

Added

- Tests! Linting! Quality control!

Changed

- Rename `Source` components.

Fixed

- Fix incorrect documentation.
- Fix imports not working.
- Fix Python compat issue.