* change percent to % so that suffix is consistent with other similar questions
* fix rebase conflicts
* add hard validation that percentage owned after a staircasing transaction cannot be less than the percentage bought in that transaction, with associated tests
* add compound validation to ensure that logs of type older person shared ownership may not have a stairbought value of greater than 75% \n associated tests included
* remove duplicate method and use existing version
* fix rebase conflicts
* ensure schema correct and test of page number correct
* fix form handler test after rebase
* fix tests and ensure schema correct after rebase
* Add income error to ownership type and ecstat fields
* Add shared_ownership_deposit_value_check field
* Add shared_ownership_deposit_invalid? soft validation
* Add shared ownership deposit check pages and questions
* Add pages to the subsection and update validation message
* tests
* Update validation to only trigger if la is given
* Run the soft validation when mortgage isn't used or cash discount isn't given
* test
* 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
Arthur Campbell
David May-Miller
Arthur Campbell
kosiakkatrina