added route, added controller, created new view
added model and new method
modified spec expectation; added create method to controller.
added invalid attributes to spec
added initial model spec and model validations
added error messages to new template
added test to check numericality of year and mileage
added model validations and model specs to validate numericality of year and mileage
added year validations to feature spec; added year validations to model spec; added year validations to model
Merge pull request #1 from erindornbusch/useraddslisting

Useraddslisting