Wagtail-tag-manager

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- Move statics to wagtail_tag_manager folder, fix statics (65)

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- Fix exampledata

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- Exclude migrations from code quality check
- Update dependencies

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- Upgrade front-end dependencies

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- Add support for Wagtail 2.7 (64)

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- Feature/gdpr update (59)
- Bump sandbox dependencies
- Update front-end dependencies
- Improve Python 3.5 compatability (60)
- Add type checking
- Fix compatibility problem with Sitemap Generator (62)