Test using python 2.6. Give flake8 results independent of test results.
Need unittest2 for Python 2.6. Travis 2nd try.
YML syntax error. Travis 3d try
.travis.yml syntax. Travis 4th try
Forgot to add this file
Travis 5th try. Skip flake8 on 2.6 until we change the django code.
Travis 6th try.
Merge pull request #39 from solvebio/feature/travis-test-python26

Travis testing on Python 2.6