Log Message:
Update www/py-gunicorn to 19.3.0

Upstream changes:
-----------------

19.3.0 / 2015/03/06

Core

    fix: :issue:`978` make sure a listener is inheritable
    add check_config class method to workers
    fix: :issue:`983` fix select timeout in sync worker with multiple connections
    allows workers to access to the reloader. close :issue:`984`
    raise TypeError instead of AssertionError

Logging

    make Logger.loglevel a class attribute

Documentation

    fix: :issue:`988` fix syntax errors in examples/gunicorn_rc

19.2.1 / 2015/02/4

Logging

    expose loglevel in the Logger class

AsyncIO worker (gaiohttp)

    fix :issue:`977` fix initial crash

Documentation

    document security mailing-list in the contributing page.