Alter trove classifiers in setup.py

- Changed license to list MPL-2.0
- Added advertisement of support for Python3.6

Author: saxbophone

setup.py

@@ -57,11 +57,12 @@ def retrieve_deps(filepath):
         'Intended Audience :: Science/Research',
         'Intended Audience :: System Administrators',
         'Intended Audience :: Telecommunications Industry',
-        'License :: Other/Proprietary License',
+        'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
         'Topic :: Communications',
         'Topic :: Education',
         'Topic :: Internet',