Fixed runtests.py and setup.py hashbang lines, broken by commit with python-modernizer

runtests.py

+#!/usr/bin/env python
 from __future__ import absolute_import
 from __future__ import unicode_literals
-#!/usr/bin/env python
 import sys
 import django
 from django.conf import settings

setup.py

-from __future__ import absolute_import
-from __future__ import unicode_literals
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import
+from __future__ import unicode_literals
 import os
 from wiki import VERSION
 from setuptools import setup, find_packages