openstack/swift - swift - OpenDev: Free Software Needs Free Tools

Currently the .*test files in the source tree root seem to assume you're
in that directory when you run them. This change should work exactly
the same except for removing that restriction.
Change-Id: I9b037016490dd6d5b515cb2c3cad2f99ee40bb6d

This makes it a lot easier for CI jobs to be setup and return the true
status of the testsuite.
Change-Id: I0c2b0d6b17f560a889cd2f22ab98a68361f6d738

Change-Id: I081d853a90ad0efce5b7a20b52794ce3348a9617

* 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

When running .functests or .unittests allow to pass argument on the
command line for nosetests.
Fixes bug 925636
Change-Id: Icb07c192328528900b502fbc937b9c83f70a4b0f