Removed no-longer-used question EW1
Comments - add question numbers 1-4
Code formatting

See `case` indentation rule:
https://github.com/alphagov/styleguides/blob/master/ruby.md
Comment indentation

For readability
Comments - more question numbers
Comments - renumbering
Comments - shared 2 numbering
Refactor - clarify is_there_a_living_spouse...
Refactored 250k question
Comments - more question numbers, Q4-21
Put question code in order
Simplify link phrases...

Code not updated yet
New question list

Renumbered and free from duplicates
wip rearranging logic for new numbering etc
Short code names for questions

Easier to follow, don't need to map exactly to text.