Merge branch 'master' of github.com:mozilla/hubs

package-lock.json

package.json

scripts/lint-html.js

src/components/audio-feedback.js

src/components/gltf-model-plus.js

src/components/media-loader.js

src/gltf-component-mappings.js

src/hub.html

src/hub.js

src/utils/media-utils.js

src/vendor/GLTFLoader.js

src/workers/gifparsing.worker.js

src/workers/sketchfab-zip.worker.js

webpack.config.js