See the new changelog.txt file for all changes.

Mostly formatting but of note:

* Modified robots.txt in a possibly vain attempt to block dodgy robots.
* Added much SEO to both the index and the 404 page.
* Added a music player in a floating footer bar
* /Tried/ to update google analytics.  Need to check this.
* Used a newer JQuery.
* Used the CDN Bootstrap.
* Removed Inspectlet.
* Added new JSON fields.
* Better Quotes.
* Changed Social Media Sprites - Now with ello.co!
Updated changelog.txt to match checkin.