webvr

See:
https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras

Creating a better admin expierence with debugging users issues and simplify troubleshoooting.

Suggestions have been outline here: mozilla/hubs#4533

┆Issue is synchronized with this Jira Task

Running the tabs default launch command (-t) does not respect redirects at the target.

$ node . -t https://aframe.io/a-painter

☝️ The above will error, even though the server will redirect to https://aframe.io/a-painter/ and serve HTML there:

$ curl -i https://aframe.io/a-painter
HTTP/1.1 301 Moved Permanently
Date: Mon, 03 Jun 2019 20:10:27 GMT
Content-Type: text/ht

Noticed the right half of the keyboard works correctly for transparency during hover, but the left side keys show a black background on hover. The keys circled below are the ones tested as having this issue.

![moonkeyboard](https://user-images.githubuserco