Rich&Leena: WIP adding validation to start page
Max&Leena: Validated the claimant reference field
Merge branch 'master' into start_page_validation
Rich&Leena: Add validation for claimant does not exist
add claimant reference to user journey
Merge pull request #181 from InsolvencyService/start_page_validation

Start page validation
Merge branch 'master' into benefit-steps