Resolve "feature/ETQ Admin, je veux que ssham selle le vault au signal de fin"

Closes #37 (closed)

ssham/__init__.py

 """SSHAM Server main program"""
 import logging
-from .views import app
-from . import models
 import signal
 import sys
 import traceback
+from .views import app
+from . import models
 import requests
 from ssham.lib.vault import Vault