Fix status classifier in setup.py (dropbox#334)

Author: rogebrd

setup.py

@@ -63,7 +63,7 @@
     url='http://www.dropbox.com/developers',
     # From <https://pypi.python.org/pypi?%3Aaction=list_classifiers>
     classifiers=[
-        'Development Status :: 5 - Stable',
+        'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: MIT License',
         'Operating System :: OS Independent',