Rename of the first part of 'Checkboxes of Doom'
Removed the second part of 'Check-boxes of Doom'
Further pruning of the Tenancy model

Removing constructs which are no longer used due to the change of the
model.
Made the feature tests pass for Tenancy model
front-end 'tarting up'
remove commented code
Merge pull request #322 from ministryofjustice/from97-upto97

Checkboxes of doom