• Add ArticleAdmin.add_view to fix compatibility with ItemEditor.add_view.

• Add ArticleAdmin.change_view to fix compatibility with ItemEditor.change_view.

• Change Article.get_absolute_url to use reverse_lazy.

• Allow for using keyword argument in ArticleIndex.index_queryset.

• remove patterns in url.

• articles no longer requires being above app overriding ArticleAdmin in installed_apps.

• Change two imports to relative import for python 3 compatibility

• Move ArticleAdmin into bases.py
• Fix use of ARTICLE_MODELADMIN_CLASS setting

• Update category extension registration method to FeinCMS 1.9.3 standard.
• Create BaseArticle abstract model to allow subclassing.

• Migrate extensions to inherit from feincms.extensions.Extension. Support for register(cls, admin_cls)-style functions is removed in FeinCMS v1.9.

• Fix extension fields broken in admin since last release.
• Added fixes for python 3.3 (Py3.3 doesn't work yet because feincms 1.8 is not yet out.)

Note: NOT compatible with feincms < 1.7.

• Added ContentModelMixin to Article to integrate with feincms 1.7.