Dashboard doesn't support Django 1.8

Django 1.8 currently is the latest requirement, horizon does support it, but murano dashboard is not.

Need to fix that

[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] Traceback (most recent call last):
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/wsgi.py", line 170, in __call__
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] self.load_middleware()
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 52, in load_middleware
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] mw_instance = mw_class()
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/usr/local/lib/python2.7/dist-packages/django/middleware/locale.py", line 24, in __init__
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] for url_pattern in get_resolver(None).url_patterns:
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py", line 402, in url_patterns
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py", line 396, in urlconf_module
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] self._urlconf_module = import_module(self.urlconf_name)
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] __import__(name)
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/opt/stack/horizon/openstack_dashboard/wsgi/../../openstack_dashboard/urls.py", line 36, in <module>
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] url(r'', include(horizon.urls)),
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/usr/local/lib/python2.7/dist-packages/django/conf/urls/__init__.py", line 34, in include
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] patterns = getattr(urlconf_module, 'urlpatterns', urlconf_module)
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/usr/local/lib/python2.7/dist-packages/django/utils/functional.py", line 226, in inner
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] self._setup()
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/usr/local/lib/python2.7/dist-packages/django/utils/functional.py", line 359, in _setup
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] self._wrapped = self._setupfunc()
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/opt/stack/horizon/openstack_dashboard/wsgi/../../horizon/base.py", line 814, in url_patterns
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] return self._urls()[0]
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/opt/stack/horizon/openstack_dashboard/wsgi/../../horizon/base.py", line 849, in _urls
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] include(dash._decorated_urls)))
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/opt/stack/horizon/openstack_dashboard/wsgi/../../horizon/base.py", line 525, in _decorated_urls
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] include(panel._decorated_urls)))
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/opt/stack/horizon/openstack_dashboard/wsgi/../../horizon/base.py", line 298, in _decorated_urls
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] urlpatterns = self._get_default_urlpatterns()
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/opt/stack/horizon/openstack_dashboard/wsgi/../../horizon/base.py", line 107, in _get_default_urlpatterns
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] urls_mod = import_module('.urls', package_string)
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py", line 45, in import_module
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] __import__(name)
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/opt/stack/murano-dashboard/muranodashboard/packages/urls.py", line 17, in <module>
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] from muranodashboard.packages import views
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] File "/opt/stack/murano-dashboard/muranodashboard/packages/views.py", line 28, in <module>
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] from formtools.wizard import views as wizard_views
[Tue Sep 01 09:39:46 2015] [error] [client 172.18.85.112] ImportError: No module named formtools.wizard