Update middlewares
Update routes middelwares
Send 204 on /app/init
Update tests
Fix a bug with middlewares
Fix tests
Handle creating of mongo duplicate key
Send 403 when we init two times the same user
Change name of test
Better things
Update ensure-valid-hash.js
Comments and renaming
Merge branch 'master' of github.com:AnyFetch/salesFetch into app-init

Conflicts:
	app/routes.js
fix last comments
Merge pull request #153 from AnyFetch/app-init

Secure /app/init