Updated .travis.yml

.travis.yml

@@ -28,6 +28,12 @@ matrix:
   - python: 3.3
     env: DJANGO="1.9"
 
+  # django 1.7 isn't supported on python > 3.4
+  - python: 3.5
+    env: DJANGO="1.7"
+  - python: nightly
+    env: DJANGO="1.7"
+
 script: make travis
 
 after_success: