Update README.md
Added JSON model loading.
Merge pull request #56 from tsherif/json-worker

Added JSON model loading.
Load JSON in Surface Viewer example.
Merge pull request #57 from tsherif/json-file-example

Load JSON in Surface Viewer example.
Pull shape names from JSON data.
Merge pull request #58 from tsherif/fix-json-name

Pull shape names from JSON data.
JSON model with single color doesn't need alpha.
Merge pull request #59 from tsherif/json-monocolor

JSON model with single color doesn't need alpha.
JSON model demo.
Merge pull request #61 from tsherif/json-demo

JSON model demo.