Sam & Seema: Beginning of modifying the back logic
Merge branch 'master' of github.com:InsolvencyService/wader into benefits_back_looping_part1
Merge pull request #177 from InsolvencyService/benefits_back_looping_part1

Sam & Seema: Beginning of modifying the back logic
Merge branch 'master' into start_page_validation
Rich&Leena: Add validation for claimant does not exist