message: add validations message locales
diff: "forgotten-password": {
  "instructions": "To reset your password, please type your email address below. We will then send you an email with instructions to follow."
  }
  + },
  + "validation":{
  + "email": "Invalid email",
  + "required": "Required field",
  + "password-min": "Password should be at least {{count}} characters",
  + "password-match": "Password doesn't match"
  }
  }
  