Remove extras_require from setup.py
Add print_title/print_subtitle to utils.py
Newline fix in adblock.py
Add init_venv, script to initialize a virtualenv.
init_venv: Add glob for sip.so.
init_venv: Check if file exists before symlinking.
init_venv: Add missing glob import
init_venv: Use sys.executable for venv_python
Fix sip globbing for real
init_venv: Don't check for pylint without --dev
init_venv: Test all installed packages
Simplify checks to always use subprocess.
init_venv: Change sip glob to include .pyd
init_venv: pin astroid version
init_venv: Use --system-site-packages on Windows.
pylint_checkers: Whitespace fix
init_venv: Check dev packages only with --dev
init_venv: Add more dev modules.
pylint: Ignore distutils ImportError.

See https://bitbucket.org/logilab/pylint/issue/73/
init_venv: Fix beautifulsoup4 package name.