* Adds tox config
- based on the config from python-quantumclient and updated for
test, pep8 and coverage execution as per nova's run_tests.sh.
* Adds nosetests defaults in setup.cfg
* Adds runtime dependencies in tools/pip-requires
- dependencies were gathered by referencing the packages used in
creation of a Swift All In One. Versions were determined by
checking the swift-core/trunk ppa or, failing that, the version
available in lucid.
* Adds test dependencies in tools/test-requires
* Updates swift/common/middleware/formpost.py for pep8 compliance
* Adds instructions for executing the tests with Tox to the
developer_guidelines
* Adds instructions for installing openstack.nose_plugin to
developer_saio
* Fixes bug 909177
Change-Id: I5407924d2181e9ab335aaf76bf30c8d40deccbb4
