Created splash image (now just have to get it to work).

Also added some issues for pit-swing

pit-swing/griffon-app/lifecycle/Ready.groovy

@@ -15,4 +15,4 @@
  * - SwingBuilder.doLater { // your code }
  * - SwingBuilder.edt { // your code }
  * - SwingUtilities.invokeLater { // your code }
- */
+ */