Site updates 0.68

96845d5 Add google_web_fonts config to sample app_config.yml
75f0544 Set gzip_http_version to 1.0 for the benefit of CloudFront
c58bb96 Add gzip_vary on via add_header
f5f1fc4 "use strict" in wincent.js
31857fe Collapse padding rules into a single line
6282022 Lighten font weight in drop down menus