Use six iter compats.
Use absolute_import in fluent_pages.integration.fluent_contents
Auto-detect allowed plugins when placeholder_layout_template is set.
Added in_sitemap flag, which is now false for the RedirectNode
Added `SeoPageMixin.meta_robots` property

It's set to ``noindex`` for pages outside the sitemaps.
Fix UrlNodeQuerySet.in_sitemaps()
fix typoo. omg.
Merge pull request #40 from vinnyrose/python3_iter_fix

Use six iter compats.
Avoid queries to access to page.parent_site

Typically this value already exists in the Django Sites framework cache.
Improve Django startup, avoid ContentType queries during imports