Added OpenStack dev things

Added a pbr-based build system and a tox file and some requirements
files. Also moved the apps to all be under storyboard so that a
publication to PyPI won't do evil things from an install perspective.
Fixed a bunch of pep8/pyflakes errors
Fixed F403
Enabled more of HACKING
Make testr tests run properly
Fixed the import errors hacking warning
Merge pull request #1 from emonty/master

Made a pass at aligning with OpenStack dev standards