Added import of tasks in the schedule manager

https://pulp.plan.io/issues/1154
fixes #1154

server/pulp/server/managers/schedule/repo.py

@@ -1,17 +1,7 @@
 # -*- coding: utf-8 -*-
-#
-# Copyright © 2014 Red Hat, Inc.
-#
-# This software is licensed to you under the GNU General Public
-# License as published by the Free Software Foundation; either version
-# 2 of the License (GPLv2) or (at your option) any later version.
-# There is NO WARRANTY for this software, express or implied,
-# including the implied warranties of MERCHANTABILITY,
-# NON-INFRINGEMENT, or FITNESS FOR A PARTICULAR PURPOSE. You should
-# have received a copy of GPLv2 along with this software; if not, see
-# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 
 from pulp.server import exceptions
+from pulp.server import tasks  # noqa
 from pulp.server.controllers import repository as repo_controller
 from pulp.server.db.model.dispatch import ScheduledCall
 from pulp.server.db.model.repository import RepoImporter, RepoDistributor