* NEW: Update the state of many components.

[DEVELOPMENT ENVIRONMENT]
* NEW: The project property dialog now uses an IconPanel.
* NEW: New design of the component tab in the project property dialog.

[GB.GUI.BASE]
* NEW: GridView: The background of the sorted column is now lighter.

[GB.QT4.WEBKIT]
* NEW: WebView.History is a new virtual access to get the number of entries 
  in the history, to set or get the current history entry index, and to get
  or set the history maximum capacity.


git-svn-id: svn://localhost/gambas/trunk@6788 867c0c6c-44f3-4631-809d-bfa615b0a4ec