include copy of django_extension, dont install django from git

contrib/django_extensions/.travis.yml

@@ -0,0 +1,29 @@
+language: python
+
+python:
+  - 2.6
+  - 2.7
+  - 3.3
+
+env:
+  - DJANGO=Django==1.3 --use-mirrors
+  - DJANGO=Django==1.4 --use-mirrors
+  - DJANGO=Django==1.5 --use-mirrors
+
+install:
+  - pip install -q $DJANGO
+  - pip install flake8 --use-mirrors
+  - if [[ $TRAVIS_PYTHON_VERSION < '3.0' ]]; then pip install -q python-keyczar --use-mirrors; fi
+  - pip install -q PyYAML --use-mirrors
+  - pip install -e . --use-mirrors
+
+script:
+  - flake8 --ignore=E501,W391 .
+  - python setup.py test
+
+matrix:
+  exclude:
+    - python: 3.3
+      env: DJANGO=Django==1.3 --use-mirrors
+    - python: 3.3
+      env: DJANGO=Django==1.4 --use-mirrors