Add initial docs.

Change-Id: I1f8407597105a914945c932ff55945c8005e273c

setup.py

@@ -3,17 +3,12 @@ import sys
 
 import setuptools
 
-from glanceclient.openstack.common.setup import generate_authors
-from glanceclient.openstack.common.setup import parse_requirements
-from glanceclient.openstack.common.setup import parse_dependency_links
-from glanceclient.openstack.common.setup import write_git_changelog
+from glanceclient.openstack.common import setup
 
 
-requires = parse_requirements()
-dependency_links = parse_dependency_links()
-tests_require = parse_requirements(['tools/test-requires'])
-write_git_changelog()
-generate_authors()
+requires = setup.parse_requirements()
+dependency_links = setup.parse_dependency_links()
+tests_require = setup.parse_requirements(['tools/test-requires'])
 
 if sys.version_info < (2, 6):
     requires.append('simplejson')
@@ -41,6 +36,7 @@ setuptools.setup(
         'Operating System :: OS Independent',
         'Programming Language :: Python',
     ],
+    cmdclass=setup.get_cmdclass(),
     install_requires=requires,
     dependency_links=dependency_links,
     tests_require=tests_require,