Making heavy use localStorage instead of cookies and few more heavy related fixes.
Heavy no longer has any need for caching user selections in cookies or localStorage.
Updated setup.py to correct license name.
Now minifying CSS and JS files. During production they will be used intead.

The minification process has been automated too. When sdist command is
given to setup.py then it will use web-service to minify the js n css
files.
v3.2.0 readme update