Adds flake8 to tox file
Adds flake8 test to travis.yml
Adds missing flake8 dep
Only run flake8 against python 2.7 code
Trial using tox with travis
Simplified tox.ini
Fixes typo in tox.ini
Fixes whitespace issue so W291 exception can be removed
Merge pull request #245 from sudorandom/pep8

Adds flake8 to tox file