tox configuration and usage examples

• Basic usage
  • a simple tox.ini / default environments
  • using a different default PyPI url
  • installing dependencies from multiple PyPI servers
  • forcing re-creation of virtual environments
• py.test and tox
  • Basic example
  • Extended example: change dir before test and use per-virtualenv tempdir
  • Using multiple CPUs for test runs
  • Known Issues and limitations
• unittest2, discover and tox
  • Running unittests with ‘discover’
  • Running unittest2 and sphinx tests in one go
• nose and tox
  • Basic nosetests example
  • More examples?
• General tips and tricks
  • Interactively passing positional arguments
  • Integrating “sphinx” documentation checks
  • Selecting one or more environments to run tests against
  • Access package artifacts between multiple tox-runs
• Using Tox with the Hudson Integration Server
  • Using Hudson multi-configuration jobs
  • zero-installation for slaves
  • Integrating “sphinx” documentation checks in a Hudson job
  • Access package artifacts between Hudson jobs