Fix spelling mistake in animation.adoc (#116)

In the section about the Skeleton Control, it says "Control rsides somewhere other than main node", which has "resides" misspelled, which is changed to "Control resides somewhere other than main node"

docs/modules/core/pages/animation/animation.adoc

@@ -90,7 +90,7 @@ skeletonControl = player.getControl(SkeletonControl.class);
 
 ----
 
-.Control rsides somewhere other than main node
+.Control resides somewhere other than main node
 [source,java]
 ----
 player.depthFirstTraversal(new SceneGraphVisitorAdapter() {