Support testing on Django 1.5

Author: mjumbewu

.travis.yml

@@ -5,6 +5,7 @@ python:
 env:
   - DJANGO_VERSION=1.3
   - DJANGO_VERSION=1.4
+  - DJANGO_VERSION=1.5
 install:
   - pip install -q Django==$DJANGO_VERSION --use-mirrors
   - pip install -q -r requirements.txt --use-mirrors

testsettings.py

@@ -8,3 +8,5 @@
 INSTALLED_APPS = (
     'rest_framework_csv',
 )
+
+SECRET_KEY = 'testsecretkey'