[DF-498] Introspection improvments
[DF-480] Draft property panel implementation (using introspection in SceneNode)
Merge branch 'feature-new-materials' of https://github.com/dava/dava.framework into feature-new-materials
Merge branch 'feature-new-materials' of https://github.com/dava/dava.framework into feature-new-materials
[DF-480] Added Vector2, Vector3, Vector4 edit ability
[DF-480] Added periodic propeties update
Merge branch 'feature-new-materials' of https://github.com/dava/dava.framework into feature-new-materials
[DF-480] Added new QtPropertyEditor control (in test mode).