Implement static files/templating/i18n/logging/e-mail

- Implement static files
- Provide a basic template
- Implement i18n
- Provide a Dutch translation
- Implement logging using log4mongo
- Use Postmarkapp (python-postmark) as the default e-mail backend
- Bug fixes and feature implementation

Signed-off-by: Marcel Oomens <Marcel.Oomens@cromido.org>