Fixed CSS3D Panorama example. Fixes #3651.
Editor: Added File/Share.
Editor: Fixed material panel bug.
Editor: Made Loader a property of Editor and slight refactoring.
Editor: Working File/Open.
Trick stolen from Google Cloud Storage web admin.
Editor: Reordered File menu.
Editor: Fixed issue in TransformControls that disabled the controls when deleting an object while rollovering it.