Add yeast to the directory
Add constrained layout class
Clean up the header and footer partials
Add pre-qualification questions to EN YML file
Hide primary footer and search box
Add MAS head data and basic HTML structure
Add base paragraph styles for tool
Style the advisor sign in link
Style the pre-qualification questions
Move main HTML tag up a level
Hide the language toggle for advisor acquisition
Correct spelling for adviser
Switch to `dough-ruby` branch
Reworks form to match new front end HTML/CSS
Pin `dough-ruby` to specified ref
Removes the temporary holding page

Now it's unneccessary since we've moved everything into the `Principal`
controller.
Pins `dough-ruby` to ref on master
Merge pull request #17 from moneyadviceservice/fe/pre-qualification-questions

Frontend for the pre-qualification questions story
Add default checked state to radio buttons
Correct the positioning of the next button