Removes unused copy/paste code from previous nuage project.
Removes unused create parameter and logic.
Makes file delete code more simple and coverable.
Updates after delete comment.
Adds default hash helping method test.
Adds tests requirements.
Adds tests settings for django nose nice running.
Updates ignore file.
Updates README.
Enhances travis settings to run tests with django nose and include coverage.
Merge pull request #2 from open-nuage/2_adds_code_coverage

done