Improve package Metadatas

setup.py

@@ -4,20 +4,26 @@
 from setuptools import setup, find_packages
 import re
 
+version=re.search(r'\s*__version__ = (.+)$',
+                  open('ERP5Diff.py').read(),
+                  re.MULTILINE ).group(1).strip()
 setup(name="erp5diff",
-      version=re.search(r'\s*__version__ = (.+)$',
-                        open('ERP5Diff.py').read(),
-                        re.MULTILINE ).group(1).strip(),
+      version=version,
       description="XUpdate Generator for ERP5",
       author="Yoshinori OKUJI",
       author_email="yo@nexedi.com",
-      url="http://nexedi.com",
+      url="http://www.erp5.org/",
+      download_url="http://nexedi.org/static/packages/source/erp5diff-%s.tar.gz" % (version,),
       license="GPL",
       packages=find_packages(),
       py_modules=["ERP5Diff"],
       scripts=["erp5diff"],
       data_files=[('share/man/man1', ['erp5diff.1'])],
-      install_requires=[ 'zope.interface', 'lxml'],
+      install_requires=['zope.interface', 'lxml'],
+      classifiers=['License :: OSI Approved :: GNU General Public License (GPL)',
+                  'Operating System :: OS Independent',
+                  'Topic :: Text Processing :: Markup :: XML',
+                  'Topic :: Utilities'],
       include_package_data=True,
       zip_safe=False,
      )