old_contents: from setuptools import setup
  
  setup(name='pysimm',
      version='0.1',
      description='Python Simulation Interface for Molecular Modeling',
      url='http://github.com/polysimtools/pysimm',
      author='Michael Fortunato',
      author_email='mefortunato@pysimm.org',
      license='MIT',
      packages=['pysimm', 'pysimm.apps'],
      scripts=['bin/pysimm'],
      zip_safe=False)
  
new_contents: from setuptools import setup
  
  setup(name='pysimm',
      version='0.1',
      description='Python Simulation Interface for Molecular Modeling',
      url='http://github.com/polysimtools/pysimm',
      author='Michael Fortunato',
      author_email='mefortunato@pysimm.org',
      license='MIT',
      packages=['pysimm', 'pysimm.apps'],
      package_data={'pysimm': ['forcefields/*.xml']},
      scripts=['bin/pysimm'],
      zip_safe=False)
  
subject: include forcefield data files in setup.py