Update travis CI to test from .whl files

Author: jamesls

.travis.yml

@@ -8,5 +8,8 @@ python:
   - "pypy"
 install:
   - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install unittest2; pip install -r requirements26.txt; fi
+  - "rm -rf dist/*"
   - pip install -r requirements.txt
-script: nosetests tests
+  - python setup.py bdist_wheel
+  - pip install dist/*.whl
+script: cd tests/ && nosetests .

requirements.txt

@@ -1,3 +1,4 @@
 nose==1.2.1
 py==1.4.12
 tox==1.4.2
+wheel==0.24.0