Fixed exception on blank date.
Added ordering for search results.
Added ownership interests to person detail page
Change blank personal details to say Unknown
Added share amount to Affiliations.
Batch create extracts to keep memory usage low.
Added nationality search to people.
Added nationality to search view.
Added request context to homepage.
Fixed commenting in person detail template.
Added shares to person load script.
Initial commit of Tastypie API
Explicitly named API in urls.py
API filtering mimics search form.
Added CSV export for search results.