An optional field has been added to the bill form to add a link to a real bill. A new action button allow user to see this bill. Breaking change with Bill model update for database, a migration is needed.
See issue #429.
* Use token based auth in invitation e-mails
Invitation e-mails no longer contain the clear
text project password
* Skip invite page after project creation
- Replace ``The project identifier is demo, remember it!``
by ``Invite other people to join this project!``
(linking to the invite page)
- Encourage users to share the project password via other
communication means in the reminder email
* Use absolute imports and rename package to ihatemoney
* Add a ihatemoney command
* Factorize application creation logic
* Refactor the tests
* Update the wsgi.py module with the new create_app() function
* Fix some styling thanks to Flake8.
* Automate Flake8 check in the CI.
