Move object up

Moves selected object up in the Tree of objects.
Also it is possible to press on selected object from Tree of objects by the right mouse button and to use popup menu item Up. Note: you can drag any object in a tree with pressed left mouse button and fasten it to necessary object in the tree.
If you move object, which is parent (container for other objects), that its children move together with it. Note: selected object can be moved in a tree only inside current tree level of objects.