Sc/new guest

I create new guest through an owner or a concierge.

Added new attributes in guest model  ```corporate_name ```   ``` marital_status ```  ```cuit_cuil```  ```gross_income ```  ```patent ```  ```car_brand ```  ```car_model ```  ```location_id ```  ```owner_id ```  ```location_tokens ```

In person  model  Removed validation presence of the email and password in database and in guest model too.  ```20140503201846_change_email_and_password_in_person.rb```

Added locations resources ``` resources :guests ```

Added view for create new guest with tockens input for to add location and added datetimepicker for to date of birth

[the video]
(https://s3.amazonaws.com/uploads.hipchat.com/89325/648614/pMnx0oxQRvA5VLT/create-guest.ogv)