First stab at DB download
First stab at DB downloading, CSV works
Lazy search (faster!), tore out XLS support
Merge branch 'db-download'

Conflicts:
	search/views.py
	static/js/search.js
	templates/base.html
	templates/search.html
Fixed merge conflicts
Merge remote-tracking branch 'origin/master'

Conflicts:
	search/views.py
Fixed merge conflicts caused by refactoring constants