Noissue - Added flake8-abp and pep8-naming extension and fix reported warnings

setup.py

 # This file is part of Adblock Plus <https://adblockplus.org/>,
 # Copyright (C) 2006-2016 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
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
 
 import subprocess
 from os import path
 from setuptools import setup, Command
 
 
 DEVENV = 'devenv'
 PIP = path.join(DEVENV, 'bin', 'pip')
 DEV_DEPENDENCIES = ['pytest', 'mock', 'tox']
 
 
-class devenv(Command):
+class DevEnvCommand(Command):
     """Set up development virtualenv."""
 
     description = 'set up development virtualenv'
     user_options = [('python=', 'p', 'the python interpreter to use')]
 
     def initialize_options(self):
         self.python = 'python'
 
     def finalize_options(self):
         pass
 
     def run(self):
         subprocess.check_call(['virtualenv', '-p', self.python, DEVENV])
         subprocess.check_call([PIP, 'install'] + DEV_DEPENDENCIES)
         subprocess.check_call([PIP, 'install', '-e', '.'])
 
 
 setup(
     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': devenv},
+    cmdclass={'devenv': DevEnvCommand},
     entry_points={
         'console_scripts': ['flrender=abp.filters.render_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',
     ]
 )