Add a basic tox config
Add a pyflakes env
More explicit about about python versions and command line arguemtns
Add some words about testing to the README file
Add some all important whitespace
These two identical links looked a bit odd.
Add a little more context to the testing examples
Add a note about coverage and pyflakes
Consistent style for links
Don't bother telling people how to install and run tox.
Merge pull request #19 from twisted/tox-6

Add a basic tox.ini file (fixes #6)

Author: @wallrj
Reviewer: @exarkun