Added contrib/requirements (pip requirements files):

   * requirements/default.txt

        The default requirements (Python 2.6+).

    * requirements/py25.txt

        Extra requirements needed to run on Python 2.5.

    * requirements/py26.txt

        Extra requirements needed to run on Python 2.4.

    * requirements/test.txt

        Requirements needed to run the full unittest suite.

contrib/requirements/README.rst

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+========================
+ pip requirements files
+========================
+
+
+Index
+=====
+
+* ``requirements/default.txt``
+
+    The default requirements (Python 2.6+).
+
+* ``requirements/py25.txt``
+
+    Extra requirements needed to run on Python 2.5.
+
+* ``requirements/py26.txt``
+
+    Extra requirements needed to run on Python 2.4.
+
+* ``requirements/test.txt``
+
+    Requirements needed to run the full unittest suite.
+
+
+
+Examples
+========
+
+Running the tests using Python 2.5
+----------------------------------
+
+::
+
+    $ pip -E $VIRTUAL_ENV install -U -r contrib/requirements/py25.txt
+    $ pip -E $VIRTUAL_ENV install -U -r contrib/requirements/default.txt
+    $ pip -E $VIRTUAL_ENV install -U -r contrib/requirements/test.txt
+

contrib/requirements/default.txt

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+django
+python-dateutil
+anyjson
+carrot>=0.10.0
+django-picklefield
+billiard>=0.2.1

contrib/requirements/py24.txt

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+uuid
+importlib
+multiprocessing==2.6.2.1

contrib/requirements/py25.txt

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+multiprocessing==2.6.2.1
+importlib

contrib/requirements/test.txt

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+nose
+nose-cover3
+nosexunit
+django-nose
+pytyrant
+redis
+pymongo
+