Add test code for survey response handling.
Fix hash syntax.
Begun fumbling through basic ruby syntax
Update logic for redirection in food type step.
Changed the way we're storing survey answers in the session so that the information is cumulative across requests
Added the rest of the basic flow logic
Merge branch 'survey_response_handlers'

Conflicts:
	app/controllers/pages_controller.rb
	app/views/pages/home.html.erb