various updates to support moving the duck and pen into the gltf-component data of the environments instead of hubs.html and getting rid of interactable-template again

# Conflicts:
#	src/components/super-spawner.js
#	src/hub.js
#	src/utils/media-utils.js

allow changing color and scale via mouse when holding alt or shift keys; fixing/changing input for rift.

Feature/object spawn telemetry

Support for basic video synchronization

Update origin trial

# Conflicts:
#	package-lock.json
#	src/hub.html
#	src/hub.js
#	src/utils/media-utils.js

Add a nag button for returning to VR on Oculus browser

Basic support for PDF files in media tools