Examples: Moved AnimationClipCreator to animation directory.

docs/api/en/animation/KeyframeTrack.html

@@ -58,7 +58,7 @@
 
 		<p>
 			Some examples of how to manually create [page:AnimationClip AnimationClips] with different sorts
-			of KeyframeTracks can be found in the [link:https://threejs.org/examples/js/AnimationClipCreator.js]
+			of KeyframeTracks can be found in the [link:https://threejs.org/examples/js/animation/AnimationClipCreator.js AnimationClipCreator]
 			file.
 		</p>
 

docs/api/zh/animation/KeyframeTrack.html

@@ -49,7 +49,7 @@
 		</ul>
 
 		<p>
-            可以在[link:https://threejs.org/examples/js/AnimationClipCreator.js]文件中找到用不同类型的关键帧轨道创建动画剪辑([page:AnimationClip AnimationClips])的示例。
+            可以在[link:https://threejs.org/examples/js/animation/AnimationClipCreator.js AnimationClipCreator]文件中找到用不同类型的关键帧轨道创建动画剪辑([page:AnimationClip AnimationClips])的示例。
 		</p>
 
 		<p>