Add noindex tag to search results

Search results shouldn't normally be indexed, given that they can be generated for arbitrary queries. This patch adds a noindex tag to the head.
Added batistapeniel.org to sites in README.
Merge
Added Samir Shah to AUTHORS.
Added www.perceptyx.com to sites in README.
Fix serving uploaded files during development.
Fix static files handling
Support collapse classes in admin. Closes #943.
Minor improvements for vanilla Django admin (eg no grappelli).
Refactor the live-editing toolbar: style tweaks, default toolbar to closed, logout form now a link that uses mezzanine.accounts logout if present (which shows a logout message).
Add some HTML5 tags to RICHTEXT_ALLOWED_TAGS

Hi,

This patch adds the following tags to RICHTEXT_ALLOWED_TAGS:

* article
* aside
* figure
* caption
* header
* footer
* nav
* section

... all of which are becoming increasingly common, and should all be safe to allow.

Thanks!
pep8 fix
Added guddina.com to sites in README.
Version bump to 3.0.9
Added tag 3.0.9 for changeset 82f59fd65b75
Update auto generated CHANGELOG, requirements, settings docs.
Allow auth admin's change password view to be reversed.
Fix for ignoring search_fields when they are set on the ModelAdmin
Merge
Make pillow an explicit dependency since wheel distributions can't have optional dependencies, and clean up uses of it.