Enable resolution changes with getUserMedia API options

[jywarren]

Related to:

publiclab/infragram#39

We can apparently specify different resolutions!

{
  audio: true,
  video: {
    width: { min: 1024, ideal: 1280, max: 1920 },
    height: { min: 776, ideal: 720, max: 1080 }
  }
}

Options at:

spectral-workbench.js/examples/capture/capture.js

Lines 126 to 137 in f6d0230

	// options contains the configuration information for the shim
	// it allows us to specify the width and height of the video
	// output we're working with, the location of the fallback swf,
	// events that are triggered onCapture and onSave (for the fallback)
	// and so on.
	options: {
	"audio": false,
	"video": true,
	// the element (by id) you wish to apply
	el: "webcam",