Gunicorn

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- Fix packaging

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- **Added support for Python 3.2 & 3.3**
- Expose --pythonpath command to all gunicorn commands
- Honor $PORT environment variable, useful for deployment on heroku
- Removed support for Python 2.5
- Make sure we reopen the logs on the console
- Fix django settings module detection from path
- Reverted timeout for client socket. Fix issue on blocking issues.
- Fixed gevent worker

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- new documentation site on http://docs.gunicorn.org
- new website on http://gunicorn.org
- add `haproxy PROXY protocol <http://haproxy.1wt.eu/download/1.5/doc/proxy-protocol.txt>`_ support
- add ForwardedAllowIPS option: allows to filter Front-end's IPs
allowed to handle X-Forwarded-* headers.
- add callable hooks for paster config
- add x-forwarded-proto as secure scheme default (Heroku is using this)
- allows gunicorn to load a pre-compiled application
- support file reopening & reexec for all loggers
- initialize the logging config file with defaults.
- set timeout for client socket (slow client DoS).
- NoMoreData, ChunkMissingTerminator, InvalidChunkSize are now
IOError exceptions
- fix graceful shutdown in gevent
- fix limit request line check

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- fix gevent & subproces
- fix request line length check
- fix keepalive = 0
- fix tornado worker

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- fix logging during daemonisation

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- new --graceful-timeout option
- fix multiple issues with request limit
- more fixes in django settings resolutions
- fix gevent.core import
- fix keepalive=0 in eventlet worker
- fix handle_error display with the unix worker
- fix tornado.wsgi.WSGIApplication calling error

- **breaking change**: take the control on graceful reload back.
graceful can't be overridden anymore using the on_reload function.