Use scp for upload
Issue #62: Added a public interface to set the world space bounding box of an object
Changes order in which asset data is overwritten.

When extending an assetdata or assetmesh, the data linked via
"includes" will override the data of the original entry.
Adapted asset pick filter to support filtering via classNames + test.
First steps towards assets within assets.
Several small fixes - first tests are working.