Fix validation message
Work on refactoring data import to work better with multiple account/transaction/bank etc. implementations
Remove unused code
Rename methods
Extract account owner and view checks into base OBPDataImport trait
Refactoring Saveable implementations
Rename method
Refactoring to extract view creation into base trait (for now)
Separate view creation into its own method
Separate ViewImpl creation into its own trait
Reorganisation
Add some comments
Refactor data import view creation
Improve comments
Move setAccountOwner implementation into OBPDataImport for now