This renames the case_log to lettings_log as everything we've written so
far has been geared towards lettings of social housing so it makes sense to
have the name describe this. This is also a precursor to adding in stuff for
sales logs (whatever shape that takes)
Co-authored-by: James Rose <james@jbpr.net>
* Remove enums
* Add some convenience methods to make validations more readable
* Gender chars instead of ints
* Remove incorrect API doc info for now
* More convenience methods
* Rename label from value method
* Wrapper hbrentshortfall
* Please the cop
* Validate internal referrals and secure tenancy
* Fix referral validations and move referral validation from local_authority to household
* Move validation
* Add more error messages
* lint
* fix typo in test
* Check that the methods get called
* Fix lint
* Refactor other household member validation specs
* Remove dupes
* Tenancy type validation
* LA validations
* Benefits proportion validations
* Outstanding rent and shortfall validations
* Typo
* Net income hard validations
* First let vacancy reason validations