add *.pyc and *pyo to .gitignore
moved contact email to config file for easier substitution
corrected various bits of invalid HTML
more invalid HTML
Pull jQuery source from Google's CDN instead of using a local copy

This has the advantage that many people already have a cached copy of
the file on their computers which means they can save themselves the
download and the page renders faster
more invalid HTML
more local jQuery
Use CDNJS instead of local versions for backbone, raphael and underscore libraries