Gunicorn

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- improvement: performance of http.body.Body.readline()
- improvement: log HTTP errors in access log like Apache
- improvement: display traceback when the worker fails to boot
- improvement: makes gunicorn work with gevent 1.0
- examples: websocket example now supports hybi13
- fix: reopen log files after initialization
- fix: websockets support
- fix: django1.4 support
- fix: only load the paster application 1 time

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- add validate_class validator: allows to use a class or a method to
initialize the app during in-code configuration
- add support for max_requests in tornado worker
- add support for disabling x_forwarded_for_header in tornado worker
- gevent_wsgi is now an alias of gevent_pywsgi
- Fix gevent_pywsgi worker

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- fixing source archive, reducing its size

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- check if Request line is too large: You can now pass the parameter
``--limit-request-line`` or set the ``limit_request_line`` in your
configuration file to set the max size of the request line in bytes.
- limit the number of headers fields and their size. Add
``--limit-request-field`` and ``limit-request-field-size`` settings
- add ``p`` variable to the log access format to log pidfile
- add ``{HeaderName}o`` variable to the logo access format to log the
response header HeaderName
- request header is now logged with the variable ``{HeaderName}i`` in the
access log file
- improve error logging
- support logging.configFile
- support django 1.4 in both gunicorn_django & run_gunicorn command
- improve reload in django run_gunicorn command (should just work now)
- allows people to set the ``X-Forwarded-For`` header key and disable it by
setting an empty string.
- fix support of Tornado
- many other fixes.


Changelog - 2013
================

-------------------

- fix util.closerange function used to prevent leaking fds on python 2.5
(typo)

-------------------
- refactor gevent worker
- prevent leaking fds on reexec
- fix inverted request_time computation