Merge pull request #5 from anssiko/gh-pages

Add Constraints dictionary to Terminology.
Merge pull request #6 from anssiko/gh-pages

Add an Introduction section; clarify 'depth stream' and 'depth track' in the Terminology section.
Merge pull request #7 from anssiko/gh-pages

Update README.
Merge pull request #10 from anssiko/gh-pages

Make Rob Manson an Editor.
Merge pull request #13 from anssiko/gh-pages

Add the Conformance section; minor editorial changes.
First stab at DepthData interface and CanvasRenderingContext2D extensions.
* make .data of type Uint16Array
* define Canvas Depth ArrayBuffer
* define CameraParameters interface
* add an issue re CameraParameters
Editorial.
Merge pull request #14 from anssiko/depthdata

First stab at DepthData interface and CanvasRenderingContext2D extensions.
Update getusermedia.html ED references.