Add machine_type table to admin interface

JIRA INFRA-281

app/factory.py

@@ -104,6 +104,7 @@ def create_app(config=None):
     admin.add_view(AdminModelView(models.Domain, db.session))
     admin.add_view(AdminModelView(models.NetworkScope, db.session))
     admin.add_view(NetworkAdmin(models.Network, db.session, endpoint='networks'))
+    admin.add_view(AdminModelView(models.MachineType, db.session))
     admin.add_view(AdminModelView(models.Host, db.session))
     admin.add_view(AdminModelView(models.Interface, db.session))
     admin.add_view(AdminModelView(models.Mac, db.session))