make sure that gltf bones are editable
add undo/redo
some css updates. Drag to scroll toolbar, sphere preview for entity library has cool shader, fix report of intersection point with lines in tracer
drag drop materials
finish up with library create interface. Subtle and important change to the script engine. need to make sure that still works!
spec some default assets
little fix that solves problems with loading large scenes
some cleanup of hte spline select tool
make the transform tool place nice with nonuniform scales
add ability to ignore parent scale in updateWorldMAtrix
hookup inherit scale to GUI and VWF
Merge branch 'development' into glTF-clone
make bone handles account for root skinned mesh transform even when not inheriting scales
minor css fix
minor tweek to demo content
fix duplicate