Allink-core

IMPORTANT
REQUIREMENTS
- removed django-cleanup==2.1.0
- added possibility to add x-y original ratio to width_alias in settings.py [29](https://github.com/allink/allink-core/pull/29)

IMPORTANT
- UPDATE REQUIRED: [allink-core-static v2.3.0](https://github.com/allink/allink-core-static/blob/v2.3.0/CHANGELOG.md)
- added 'javascript-catalog' so you need to update our urls.py with
python
from django.views.i18n import JavaScriptCatalog
...
...i18n_patterns(
...
path('jsi18n/', JavaScriptCatalog.as_view(domain='django'), name='javascript-catalog'),
...


NEW
- Added allink_quote plugin
- Added browser-check translations

IMPORTANT
We added the django_cleanup package
This will delete a file on the filesystem, when a file gets deleted in the django-filer media library.
It does not however delete for example the preview_image on the filesystem if a News entry gets deleted (we also do not delete the filer image/file instance in that case.)
REQUIREMENTS
- added django-cleanup==2.1.0
NEW
- Added hrefLang to Sitemap [11](https://github.com/allink/allink-core/pull/11)
- activate feature for CMS Pages: register `sitemaps = {'cms': CMSHrefLangSitemap}` in project urls.py
- activate feature for App Detailview: register `class AppName(HrefLangSitemap):` in sitemaps.py in every app
FIXES
- fixed fork_app and new_app command [17](https://github.com/allink/allink-core/pull/17)
- moved language choices from legacylinks models to forms, so no "shadow" migrations will be created on client projects [12](https://github.com/allink/allink-core/pull/12)
- readded accidentially removed restrictions for news admin lead field

IMPORTANT
We removed aldryn-common as a dependency as this will no longer be maintained. Replace every occurence of 'aldryn_common' in your project (inlcuding migration files).
Search for: 'aldryn_common.admin_fields.sortedm2m' and replace with 'allink_core.core.models.fields'
REQUIREMENTS
- removed aldryn-common (deinstall the divio addon in th control panel)
- added django-sortedm2m==2.0.0
NEW
- added sortedm2m model fields to core

NEW
- refactored customisation commands for new_app and fork_app

IMPORTANT
- UPDATE REQUIRED: [allink-core-static v2.2.0](https://github.com/allink/allink-core-static/blob/v2.2.0/CHANGELOG.md)
NEW
- Video-Plugin:
- Added autoplay option for mobile devices