Now we be able change backgound color of background components | Add developper ID and information in 2D components | Components 2D can are now alert when bounds changes | Reslove bug in foldable 2D | Put mouse events in separate thread in 2D | Better thread synchronization in 2D | tips are forced to be visible in 2D | Resolve bug size in horizontal layout | Be able locate image in label image | Resolve bounds issue in panel 2D | Able to clear a panel 2D | Only try to draw real visible comoponents in panel 2D | Resolve srool pane 2D preffered size issue and click issue | Add capacity to show a pecific rectangle in scool pane 2D | Add new resources | Add new samples | Add new 2D components : tree, list, color chooser and spinner | add utilities for 2D | All depends on JHelpUtil Version_1_0_3 or later