* location cell ref
* extracted regex into initializer
* extracted regex into initializer - part 2
* added PostcodeService to extract behavior
* rubo
* better test name
* moved .delete.upcase to the PostcodeService class
* 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
* Add a non temp accommocation validation for vacancy reason
* Only show errors relevant to the page questions
* Add referral question/field
* Add validation for referrals and vacancy reasons
* change error message content
Add a validation test separated from the main case_log_spec
Create a new validator for the "Local Authority" section
Changes the postcode regexp to be case insensitive