Display each Test's secret and allow editing of additional fields
Add the ability to track multiple states

This change requires the following database modification in PG:
	ALTER TABLE tests ADD COLUMN state text;
Use "text" equivelant for other databases.

Home.erb now uses color-coded indicators to visually display the state
of a test. It has the following states, in order:
	no_data_received
	bad_post
	bad_secret
	bad_api
	complete