Zaqar/bp/uwsgi-sample

Consider adding a sample script and something to the docs along these lines:

# marconi-wsgi.py   from marconi import bootstrap boot = bootstrap.Bootstrap # uwsgi looks for a module attribute named "application" by default # Example cmd to run: #    uwsgi --http :8080 --file marconi-wsgi.py \ #              --gevent 2000 --gevent-monkey-patch -l 1000 -p 4 -L application = boot.transport.app