Add OpenStack trove classifier for PyPI

Add "Environment :: OpenStack" classifier for the PyPI
catalog.

Change-Id: I1ebbc684853203abba72ef72d63999be58870f3e
Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>

setup.py

@@ -45,6 +45,7 @@ setuptools.setup(
     classifiers=[
         'Development Status :: 3 - Alpha',
         'Framework :: Setuptools Plugin',
+        'Environment :: OpenStack',
         'Intended Audience :: Information Technology',
         'Intended Audience :: System Administrators',
         'License :: OSI Approved :: Apache Software License',
@@ -73,6 +74,8 @@ setuptools.setup(
     install_requires=requires,
     dependency_links=depend_links,
 
+    zip_safe=False,
+
     entry_points=textwrap.dedent("""
     [ceilometer.collector]
     instance = ceilometer.compute.notifications:Instance