add Candidate and CandidateAnswer models
add candidate controllers
Merge branch 'master' of github.com:ashleygwilliams/policycompass into candidate_models

Conflicts:
	app/assets/stylesheets/candidate.css.scss
	app/controllers/candidate_controller.rb
	app/models/question.rb
	db/schema.rb
	test/functional/candidate_controller_test.rb
Merge branch 'master' of github.com:ashleygwilliams/policycompass into candidate_models

Conflicts:
	db/schema.rb
Merge pull request #6 from modality/candidate_models

Candidate Models