tracim_v2

Guénaël Muller 7435df0618 merge with Feature/578		7 lat temu
..
__init__.py	add user workspace view + many changes to make it work	7 lat temu
schemas.py	merge with Feature/578	7 lat temu
session_controller.py	return user object with login endpoint instead of no content	7 lat temu
system_controller.py	Simpler controller code with some refactoring	7 lat temu
user_controller.py	Merge branch 'feature/578_add_api_for_workspace/apps' of github.com:tracim/tracim_backend into feature/578_add_api_for_workspace/apps	7 lat temu
workspace_controller.py	comments + clean	7 lat temu