* Include shared validations in sales log model and run validate_numeric_min_max method
* Add non london hard max income validation
* Add london income validation
* Remove child vlidation because buyer cannot be a child
* Add income1_value_check column
* Add buyer_1_income_value_check question and page
* Update income1_under_soft_min?
* Add mortgage and value check column
* Add mortgage value check page
* Update mortgage_over_soft_max? in soft validateions
* Remove unused error message