Issue 6945 - Add script to make filter list diffs

setup.py

 # This file is part of Adblock Plus <https://adblockplus.org/>,
 # Copyright (C) 2006-present eyeo GmbH
 #
 # Adblock Plus is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
 # published by the Free Software Foundation.
 #
 # Adblock Plus is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ skipping 34 matching lines @@
     name='python-abp',
     version='0.0.1',
     description='ABP python tools',
     long_description='A library for working with Adblock Plus filter lists.',
     author='Eyeo GmbH',
     author_email='info@adblockplus.org',
     url='https://hg.adblockplus.org/python-abp/',
     packages=['abp', 'abp.filters'],
     cmdclass={'devenv': DevEnvCommand},
     entry_points={
-        'console_scripts': ['flrender=abp.filters.render_script:main'],
+        'console_scripts': ['flrender=abp.filters.render_script:main',
+                            'fldiff=abp.filters.diff_script:main'],
     },
     include_package_data=True,
     license='GPLv3',
     zip_safe=False,
     keywords='filterlist adblockplus ABP',
     classifiers=[
         'Development Status :: 2 - Pre-Alpha',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
         'Natural Language :: English',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
     ],
 )