Segolene Brisemeur authored Jun 29, 2019 and Florent Chehab committed Jun 29, 2019

* Updated models to closely match UTC db spec
* Updating loading data and tests to match
* Added UTC partner model
* Added class and command to fetch from the API on top of utc DB

Also:

* Removed department and Specialty models
* Added some denormalization and signals / custom save maintain coherence

Solves #53
WIP #28