Code quality changes
Remove extraneous ThankYouController
Remove Header junk
Base scale-question directive
Add QuestionnaireController
De-linting CSS and JS
Add questionnaire directive and tests
Add missing compilation to questionnaire directive
Add spacer to questionnaire directive output
Add radio-question directive
Add hotkey to advance slides
Build radio questions with questionnaire directive
Handle non-existent arrays properly in TrialData
Fix route for questionnaire
Parse out numbers and booleans in TrialData
Add radio-inline class to radio button labels
Add dropdown-question directive
Build dropdown-questions with questionnaire directive
Add todo for TrialData formatting and type options
Fix formatting of radio-question directive output