Add gerritx project infrastructure.

Add all of the support files needed for this to be a project.
Also, fix pep8 and pyflakes errors.
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..c1a15ce
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,67 @@
+# Copyright (c) 2012 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import setuptools
+
+
+from gerritx.openstack.common import setup
+from gerritx.version import version_info as version
+
+requires = setup.parse_requirements()
+tests_require = setup.parse_requirements(['tools/test-requires'])
+depend_links = setup.parse_dependency_links()
+
+
+def read_file(file_name):
+    return open(os.path.join(os.path.dirname(__file__), file_name)).read()
+
+
+setuptools.setup(
+    name="gerritx",
+    version=version.canonical_version_string(always=True),
+    author='Hewlett-Packard Development Company, L.P.',
+    author_email='openstack@lists.launchpad.net',
+    description="Tools for managing gerrit projects and external sources.",
+    license="Apache License, Version 2.0",
+    url="https://github.com/openstack-ci/gerritx",
+    packages=setuptools.find_packages(exclude=['tests', 'tests.*']),
+    include_package_data=True,
+    setup_requires=['setuptools_git>=0.4'],
+    cmdclass=setup.get_cmdclass(),
+    install_requires=requires,
+    dependency_links=depend_links,
+    tests_require=tests_require,
+    test_suite="nose.collector",
+    classifiers=[
+        "Environment :: Console",
+        "Intended Audience :: Developers",
+        "Intended Audience :: Information Technology",
+        "License :: OSI Approved :: Apache Software License",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python"
+    ],
+    entry_points={
+        'console_scripts': [
+            'close-pull-requests=gerritx.cmd.close_pull_requests:main',
+            'expire-old-reviews=gerritx.cmd.expire_old_reviews:main',
+            'fetch-remotes=gerritx.cmd.fetch_remotes:main',
+            'manage-projects=gerritx.cmd.manage_projects:main',
+            'notify-impact=gerritx.cmd.notify_impact:main',
+            'run-mirror=gerritx.cmd.run_mirror:main',
+            'update-blueprint=gerritx.cmd.update_blueprint:main',
+            'update-bug=gerritx.cmd.update_bug:main',
+        ],
+    }
+)