DOC Add Python 3.5 as supported language.

Author: twiecki

setup.py

@@ -31,6 +31,7 @@
                'Programming Language :: Python :: 3',
                'Programming Language :: Python :: 2.7',
                'Programming Language :: Python :: 3.4',
+               'Programming Language :: Python :: 3.5',
                'License :: OSI Approved :: Apache Software License',
                'Intended Audience :: Science/Research',
                'Topic :: Scientific/Engineering',