Merge branch '4.1' into 4.2-beta

spine-unity/Assets/Spine/Runtime/spine-unity/Components/SkeletonAnimation.cs

@@ -185,6 +185,7 @@ namespace Spine.Unity {
 			if (BuildUtilities.IsInSkeletonAssetBuildPreProcessing)
 				return;
 #endif
+			state = null; // prevent applying leftover AnimationState
 			base.Initialize(overwrite, quiet);
 
 			if (!valid)