Clean button logic code

Author: bloderxd

magic/src/main/java/br/com/bloder/magic/internal/Back.java

@@ -7,13 +7,13 @@
 /**
  * Created by bloder on 28/07/16.
  */
-public class Go extends Animation {
+public class MagicAnimation extends Animation {
 
   private int toWidth;
   private int startWidth;
   private View view;
 
-  public Go(View view) {
+  public MagicAnimation(View view) {
     this.view = view;
     this.startWidth = this.view.getWidth();
     this.toWidth = startWidth == view.getHeight() ? startWidth * 4 : view.getHeight();