[DF-185] Fixed rotate/scale for child entities.
[DF-2185] Added sceneTree icon for shadowVolume objects.
[DF-2177] Fixed collision object not created for cloned entities
[DF-2192] Fixed initial camera position
[DF-2192] Fixed initial camera direction
[DF-2182] Now only one structure change signal per frame will be emited.
[DF-2182] Now collision objects are rebuild once per update.
[DF-2210] Increased performance, when operating with a large number of selected entities
Merge branch 'development' of https://github.com/dava/dava.framework into development