Updated .travis.yml

.travis.yml

@@ -9,28 +9,23 @@ python:
   - "3.5"
   - "3.4"
   - "2.7"
-
 
 env:
-  - DJANGO="django==1.8.7"
-  - DJANGO="django==1.7.11"
-  - DJANGO="django==1.9"
-
+  - DJANGO="django>=1.9,<1.10"
+  - DJANGO="django>=1.8,<1.9"
+  - DJANGO="django>=1.7,<1.8"
 
 matrix:
   exclude:
     - python: "3.5"
-      env: DJANGO="django==1.7.11"
-
-
+      env: DJANGO="django>=1.7,<1.8"
 
 branches:
   only:
     - master
 
 # command to install requirements
 install:
-  - if [[ $TRAVIS_PYTHON_VERSION == 2.6 ]]; then pip install ordereddict; fi
   - pip install $DJANGO
   - pip install -r requirements-test.txt
   - python setup.py -q develop