Skip testing for Django 1.9 on Python 3.3

Author: andreif

.travis.yml

@@ -16,6 +16,8 @@ env:
 
 matrix:
   exclude:
+    - python: 3.3
+      env: DJANGO==1.9rc1
     - python: 3.5
       env: DJANGO=1.6
     - python: 3.5