Merge pull request #114 from stevendgonzales/master

correcting issue #111 for incorect response code for worker registration, move persona startup code from __init__ to app.
Adjust exceptions to match OpenStack log.py, fix some PEP8 issues in setup.py
Merge pull request #115 from chadlung/master

Adjust exceptions to match OpenStack log.py, fix some PEP8 issues in setup.py
Merge remote-tracking branch 'upstream/master'