Fix issue #37 showing input == null! on eclipse

Folder resources has been created in src.
Moved folder icon to folder resources

Author: Mskat

icon/icon-notice.txt renamed to src/resources/icon/icon-notice.txt

@@ -14,7 +14,7 @@ public Image imageReturn()
       throws IOException {
       Image image;
 
-      InputStream bis = getClass().getResourceAsStream("/icon/icon.png");
+      InputStream bis = getClass().getResourceAsStream("/Resources/icon/icon.png");
       BufferedImage bImage2 = ImageIO.read(bis);
       image = bImage2;