* Filtering on client request should now be performed with the standard `?attr=...` syntaxe
* Frontend updated for this new syntaxe
* Backend and frontend documentation updated with new changes
* Updated the location of the the api documentation to `/api-doc`
* Fixed bug preventing api-doc to render
* backend python requirements updated
* Updated dockerfile / docker-compose to make sure we wait for the db

Fixes #97 #80

Some of them were simply removed, oter were fixed.
From now on, the use of TODO is not permitted in the code.

Fixes #15

Fixes #9

Closes #44

other fixes and linting

Repo structure complete redesign
Fixes #38

Cleaning and Optimizations, more to go

Country model operationnal, added foreign key in university, coherence between lat/lon and country is maintained through reverse geocoding