Removed unused "tests" variable.  setup() now uses find_packages()
Adopt classifiers to include py3.4
Document where should be changed __version__
Re-use sympy.__doc__ as the long_description kwarg for setup()
Don't use setup_args, use setup() kwargs directly
Remove unused bin/generate_test_list.py
Merge pull request #8005 from skirpichev/cleanup-setup.py

Cleanup setup.py