Initial 2to3 fixer for the future package
Streamline 2to3 fixer fix_future_package.py
New futurize.py script and associated fix for adding ``future`` package imports

Based heavily on python-modernize, but with all of its six-wielding 2to3
fixes removed except for one: fix_metaclass
Temporary: add changes to fix_future_package.py in old location, just in case
Remove fix_future_package.py from old location
futurize.py seems to be working
Add sample Py2 and Py3 scripts to feed to futurize for testing
Make futurize.py executable

Also tweak help string for --from3
Keep track of useful resources to read
Update README and package docstring
Add backports of Py3.3 urllib, http, html modules
Describe ``futurize`` and limitations in README
futurize script: add space to help text
Allow standard_library_renames to handle modules inside packages, including our stdlib backports
Add tests for importing backported stdlib modules from Py3.3
Add useful links
Prepare for version 0.3.0; update news
Update setup.py to package up more goodies