use JQuery to dynamically return error messages to user on the signup page depending on the user's errors. Also used ajax to return error messages to users for login if password and/or email do not match. altered the environment.rb file to require json.
changed the user.rb controller for post login so that it returns the string in response to the ajax call.
Merged branch 'master' into signup_validations
Merge pull request #7 from Nayshins/signup_validations

Signup validations