Issues with catalog on Chromium 37.0.2062.120, 41.0.2272.76, and Firefox 38.0

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Chromium 37.0.2062.120
Even the landing page of catalog won't render -- empty boxes where there should have been icons for polymer Fe, Md, Go, etc.
The Elements Catalog subsite is completely unusable

Chromium 41.0.2272.76,
Demos don't work -- clicking the icon shows an empty page with navigation on the left

Chromium 37.0.2062.120, 41.0.2272.76, and Firefox 38.0
Usability issue -- clicking on demo and then hitting "go back" button gets me back to the menu, but not where I originally was (with a normal link, I'd be back where I originally was when I clicked)

In the console on Chromium, I get: [page-element::_annotatedComputationEffect]: compute method baseURI not defined

I'm on Linux Mint 17 (based off of Ubuntu 14.04), 64 bit.

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Works in Chromium 43.0.2357.81. Closing this. No point looking back. Keep up the good work, guys and thanks for Polymer!