Update setup.py

Use original license from the forked Google Code repo

Author: eigenein

setup.py

@@ -16,7 +16,7 @@
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Telecommunications Industry',
-        'License :: OSI Approved',
+        'License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',