Added version placeholder for building JAR.

spine-libgdx/spine-skeletonviewer/src/com/esotericsoftware/spine/SkeletonViewer.java

@@ -430,7 +430,7 @@ public class SkeletonViewer extends ApplicationAdapter {
 			stage.addActor(window);
 
 			{
-				Table table = new Table(skin);
+				Table table = new Table();
 				table.setFillParent(true);
 				table.setTouchable(Touchable.disabled);
 				stage.addActor(table);
@@ -438,6 +438,15 @@ public class SkeletonViewer extends ApplicationAdapter {
 				table.add(toasts);
 			}
 
+			{
+				Table table = new Table();
+				table.setFillParent(true);
+				table.setTouchable(Touchable.disabled);
+				stage.addActor(table);
+				table.pad(10).top().right();
+				table.add(new Label("", skin, "default", Color.LIGHT_GRAY)); // Version.
+			}
+
 			window.addListener(new InputListener() {
 				public boolean touchDown (InputEvent event, float x, float y, int pointer, int button) {
 					event.cancel();