setup.py: Add additional metadata

Author: bgilbert

setup.py

@@ -14,10 +14,27 @@
     ],
     maintainer='OpenSlide project',
     maintainer_email='[email protected]',
-    description='Python bindings for OpenSlide library',
+    description='Python interface to OpenSlide',
+    long_description=open('README.rst').read(),
     license='GNU Lesser General Public License, version 2.1',
-    keywords='openslide whole-slide image library',
+    keywords='openslide whole-slide image virtual slide library',
     url='http://openslide.org/',
+    download_url='https://github.com/openslide/openslide-python/releases/download/v%(version)s/openslide-python-%(version)s.tar.gz' % {'version': __version__},
+    classifiers=[
+        'Development Status :: 4 - Beta',
+        'Intended Audience :: Developers',
+        'Intended Audience :: Healthcare Industry',
+        'Intended Audience :: Science/Research',
+        'License :: OSI Approved :: GNU Lesser General Public License v2 (LGPLv2)',
+        'Operating System :: MacOS :: MacOS X',
+        'Operating System :: Microsoft :: Windows',
+        'Operating System :: POSIX :: Linux',
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 2.6',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3.3',
+        'Topic :: Scientific/Engineering :: Bio-Informatics',
+    ],
     install_requires=[
         'Pillow',
     ],