unittests: Add nose runtest script

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
avocado: Add Travis CI jobs

Create the .travis.yml file, along with nose config
file and pip requirements file.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #17 from avocado-framework/travis-ci

Travis ci