Move importer list prototype into the importer templates
Disable importer if feature is not enabled
Extend instance_base.html in importer list page
Factor out dict popping for kwarg processing

I see this pattern coming up frequently when processing kwargs, so I think a util would be nice.
Don't clobber reserved words in python
Perform timezone+datesafe equality checking
Merge pull request #1767 from steventlamb/bug/fix_timezone_comparison

Bug/fix timezone comparison
Merge pull request #1766 from maurizi/integrate-importer-prototypes

Integrate importer prototypes
Use the provided domain for password_reset

The context has a domain in it, use it. This requires the sites
framework to be configured properly on the deployment target.
Merge pull request #1768 from steventlamb/bug/hardcoded_domain_in_password_reset

Use the provided domain for password_reset
Decouple Auditable from Authorizable

A new class has been introduced, PendingAuditable, which mixes Auditable and
Authorizable toggether in a cleaner way.