HOTFIX polymer tries to connect to fonts.google.com
Polymer has a roboto-font element, it needs patching. Copy solution from https://svnweb.cern.ch/trac/cactus/browser/trunk/cactuscore/extern/bower-components/font-roboto
Polymer has a roboto-font element, it needs patching. Copy solution from https://svnweb.cern.ch/trac/cactus/browser/trunk/cactuscore/extern/bower-components/font-roboto