[Ernesto/Rebecca] - removing test/ directory (we'll use rspec)
[Ernesto/Rebecca] - adding devise and User model
[Ernesto/Rebecca] - show sign up link only if user is not signed in
[Rebecca] - adding first and last names (nombre and appelido) to User
[Rebecca] - added devise views
[Rebecca] - adding nombre/appelido to registration form
[Rebecca] - removing the Forgot your password link from the forms
[Rebecca] - translating registration form
[Rebecca] - password length should be a minimum of 10 characters
[Ernesto/Rebecca] - adding rspec
[Ernesto/Rebecca] - changed Nombre/Apellido to First Name/Last Name and added validation for them