Merge pull request #478 from mozilla/feature/sketchfab-models

package-lock.json

package.json

src/components/gltf-model-plus.js

src/components/media-loader.js

src/hub.html

src/utils/media-utils.js

src/vendor/GLTFLoader.js

src/workers/gifparsing.worker.js

src/workers/sketchfab-zip.worker.js