Fix sys.path in WSGI file

This allows the inclusion of dashboard.* modules correctly, which is needed
to run the app.

Change-Id: I7db42657b0253871fa28fb4a1c649182254811ca
Signed-off-by: Julien Danjou <julien.danjou@enovance.com>

openstack-dashboard/dashboard/wsgi/django.wsgi

@@ -4,6 +4,8 @@ import sys
 import django.core.handlers.wsgi
 from django.conf import settings
 
+# Add this file path to sys.path in order to import settings
+sys.path.insert(0, os.path.join(os.path.dirname(os.path.realpath(__file__)), '../..'))
 os.environ['DJANGO_SETTINGS_MODULE'] = 'dashboard.settings'
 sys.stdout = sys.stderr