Formatted all files to the same standard

command/src/main/java/com/iluwatar/Wizard.java

@@ -3,13 +3,13 @@ package com.iluwatar;
 public class Wizard extends Target {
 
 	private Command previousSpell;
-	
+
 	public Wizard() {
 		this.setSize(Size.NORMAL);
 		this.setVisibility(Visibility.VISIBLE);
 		previousSpell = null;
 	}
-	
+
 	public void castSpell(Command command, Target target) {
 		System.out.println(this + " casts " + command + " at " + target);
 		command.execute(target);
@@ -22,10 +22,10 @@ public class Wizard extends Target {
 			previousSpell.undo();
 		}
 	}
-	
+
 	@Override
 	public String toString() {
 		return "Wizard";
 	}
-	
+
 }