Added Python 3 support.
Moved local settings in separate file

Created sample file for local settings
Ignore local_settings.py
Created sample settings file for production environments
Delete local_settings.py
Update admin.py

As described by Simon, it was only a debug output. Removed.
Escaped newsletter markdown content

Potential html in the markdown content is now correctly escaped, when
sending a newsletter mail.
Fixed invisible error message
Merge pull request #4 from monofox/develop

Added Python 3 support.
Added skip errors option to sendMail function
Catch import error of local settings
Resolved circular import issue with Python 3.
MIDDLEWARE_CLASSES can be loaded from settings with module.
Merge pull request #6 from Eldorado234/fix/3_handle_mail_error

Fix/3 handle mail error - Fixes issue #3
Translated all texts in the code
Added locale path configuration
Added translation compilation hint to README
Translated templates

Only the texts that are related to user interaction are translated, the
content texts are still in German only.
Updated asset
It is possible in the old way, but only if the import is splitted.