initial tox.ini

tox.ini

+[tox]
+envlist = py27,flake8
+
+[testenv]
+sitepackages = true
+deps =
+  pytest
+commands =
+  {envpython} -m pytest {posargs:test}
+
+[testenv:flake8]
+skip_install = true
+whitelist_externals =
+  flake8
+deps =
+  flake8
+commands = flake8
+
+[flake8]
+exclude = migration/*,test/data/*,setup.py,.tox/*