Merge pull request #485 from DrMeers/next

Decouple PageSitemap from the One Page Model. See #241.
FeinCMS v1.8.0
Open the 1.9 branch
This line should NOT have been removed
Merge branch 'master' into next

* master:
  This line should NOT have been removed
Remove support for legacy extensions
Remove the automatic addition of unknown fields to the page admin fieldset
Fix flake8 problems
FeinCMS v1.8.1

Terrible oversights.
Merge branch 'master' into next

* master:
  FeinCMS v1.8.1
  Fix flake8 problems

Conflicts:
	feincms/__init__.py
	feincms/extensions.py
Remove the deprecated _feincms_extensions attribute
Make {% feincms_breadcrumbs %} isinstance check BasePage not Page. See #487
TranslatedObjectMixin should be treated with @python_2_unicode_compatible
FeinCMS v1.8.2

The don't break old code release.
Merge branch 'master' into next

* master:
  FeinCMS v1.8.2
  TranslatedObjectMixin should be treated with @python_2_unicode_compatible

Conflicts:
	feincms/__init__.py
Merge pull request #488 from DrMeers/master

Make {% feincms_breadcrumbs %} isinstance check BasePage not Page. See #487
Do not only include the page admin templates in the archive, also install them
FeinCMS v1.8.3
Merge branch 'master' into next

* master:
  FeinCMS v1.8.3
  Do not only include the page admin templates in the archive, also install them
  Make {% feincms_breadcrumbs %} isinstance check BasePage not Page. See #487

Conflicts:
	feincms/__init__.py
Merge branch 'next' of github.com:feincms/feincms into next