Add travis CI jobs

Make it possible to run the virttest unittests under travis.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
documentation: PEP8 Fixes

The conf script generated by sphinx-quickstart has its
quirks, so let's fix them.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
.travis.yml: Install autotest before running virttest unittests

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #1598 from autotest/travis

Travis