Rename Skeleton.version to Skeleton.frame

src/objects/Skeleton.js

@@ -16,7 +16,7 @@ function Skeleton( bones, boneInverses ) {
 	this.bones = bones.slice( 0 );
 	this.boneMatrices = new Float32Array( this.bones.length * 16 );
 
-	this.version = - 1;
+	this.frame = - 1;
 
 	// use the supplied bone inverses or calculate the inverses
 

src/renderers/WebGLRenderer.js

@@ -1308,10 +1308,10 @@ function WebGLRenderer( parameters ) {
 
 					// update skeleton only once in a frame
 
-					if ( object.skeleton.version !== info.render.frame ) {
+					if ( object.skeleton.frame !== info.render.frame ) {
 
 						object.skeleton.update();
-						object.skeleton.version = info.render.frame;
+						object.skeleton.frame = info.render.frame;
 
 					}