Set up initial files for new HRMC expenses answer
Write logic for 1st 2 questions for expenses calc
Add more questions for new business path

This SA has four potential paths depending on the outcome of Q2. This
commit focusses on the A/B from Q2 + new business path.
Continue implementing logic for expenses calc
Finish off logic for Q10 and beyond
Add static content to HMRC Expenses Calc
Update calculations for Q10 and Q12
Add final calculation logic and content
Add in tests for the final total calculations
Switch some value Qs over to use Money type
Tidy up logic for showing certain phrases
Add missing full stop
Fix bug with forming bullet points on outcome
Final test to check content output
Scope options text
Remove none_of_these option on Q2

In favour of the implicit "none" if the user doesn't check any of the
boxes
Remove nested if block in favour of elsif
Add text for none option on Q2
Fix the class name for the tests
Merge remote branch 'origin/hmrc_simplified_expenses'