Update overall time-of-day plot.
Create a time-of-day polar coord plot for each neighborhood.
Merge branch 'gh-pages' of github.com:mzdan/insta-sound into gh-pages
First steps in getting the map to work again.

* Remove all sound logic.
* Update map div id.
* Add original neighborhood highlighting logic. This is still a bit broken.
Old neighborhood hover is now working.
Neighborhood hover triggers tod polar plot.
Fix double-include of app.js. Fix indentation.
Calculate and store neighborhood time0of-day histograms.
First run at making some sort of sound using the histogram data.

Caveats:
* Hard-coding the neighborhood.
* Crazy horrible sound!
Neighborhood histograms are sonified on hover.
Only play neighborhood audio on click.
Move all static assets into the CSS and JS directories and remove unused files.
Remove logging statements.
new cover image and avatar