Release 1.1.0

Added

• GltFast.LoadingDone state property indicates if loading routine has finished
• GltfAssetBase, a minimum asset component for manual loading via script
• GetMaterial interface, to retrieved imported materials by index.

Changed

• Added loading state sanity checks to instantiation

Fixed

• Loading glTFs with materials only (no scene/geometry)
• Normal texture scale is applied correctly now