Rich&Michal: Created test and schema
Merge branch 'master' into add_claimant_to_database

Conflicts:
	rps/beta_claim_service/claim_service.py
Implemented create_claimant function, updated unit tests.
Storing claimant data in DB. Renamed notice period fields in model.
Merge branch 'master' into add_claimant_to_database
Merge pull request #139 from InsolvencyService/add_claimant_to_database

Add claimant to database