Added BrightnessTransform
Added useBrightnessPerVertex parameter
Changed initShapes() initParams() to initialize()
Added ITransformable.Brightness interface
Added possibility to add shapes without names
Forced to store states for models
Added offset handling for scale
Added ITransformable.Brightness for MergedVertex
Removed abstract form reversed method
Properly handled reversed transformations
Added relative transform to alpha and brightness
Refactored animations