Sam&Michal: claimant is now deactivated on submitting claim
Sam&Michal: added feature test for resubmitting a claim with a recreated claimant
Sam&Michal: added feature toggle for matching only active claimants. Claims app is now created in a function
Sam&Michal: added routes blueprint, moved create_app to __init__
Merge pull request #316 from InsolvencyService/claimant_deactivated

Claimant deactivated