Update dependancies, bump to 0.3.5.1
Starting to implement API with Django REST Framework
Minor fixes for ressource hyperlinks, better project versions list, add some endpoint docs with markdown
Some cleaning and starting to implement project update from a pot, but not finished, pot validation must be finished first
Finalize POT validator
Move DownloadMixin in mixins.py, finalize the project update in the API
Fix merging problem