Host PT fonts instead of using Google Web Fonts.

pages/fonts/{ptsans, ptserif} contain the whole distributions
from http://paratype.com/public/, but we use only a few of them
in assets/css/pt-fonts.css.
Update our jQuery to 1.11.0 (currently unused).
Don't use Google Hosted Libraries for jQuery.

We can host it ourselves.
Do not include Google Analytics on .onion domain.

Go MAXIMUM PRIVACY for Tor mirror.
Also exclude Google Analytics from localhost.