import the user model from settings
Improved support for determining timezone with tzlocal lib.
Added Mezzanine powered sites to the README

It's been a long time since I've added anything =)
Update README.rst
Merge
New setting EMAIL_FAIL_SILENTLY for controlling the default fail_silently arg in sending email.
Issue #901: fix translate_url to take the URL namespace into account when reversing it.
Added Sylvain Fankhauser to AUTHORS.
Merge
Added mezzanine-mailchimp to third party apps in README.
Bump version to 3.0.6
Added tag 3.0.6 for changeset 371056ea3b2e
Added tag 3.0.5 for changeset cbaf5e3fa437
Update auto-generated changelog, docs, requirements.
check if the user model is already registered

Fix usage of overwriting the UserProfileAdmin because it will be under mezzanine.accounts in INSTALLED_APPS.
check django version instead of ImportError

Closes https://github.com/stephenmcd/mezzanine/issues/893
Restore comment
Use space indent instead of tab
Merge
Merge