ObjectTraits: various fixes.
ObjectTraits: AnimatedBaseTrait added.
ObjectTraits/ContinuousAnimatorTrait added.
ObjectTraits/MetaObjectTrait: Improve scripted states.
Effects/PostProcessingEffects: add default effect option.
ObjectTraits/ButtonTrait added; ...
LibMinSGExt/NodeExtensions: Node.getNodeAttributeWrapper(...) added.
ObjectTraits/TransformationProxyTrait added.
SceneEditor/ObjectPlacer: Add cube to BuiltinLib.
ObjectTraits: minor fixes.
Merge branch 'master' of https://github.com/PADrend/Plugins