Bug 405354: Swing: hard-wired SwingScoutTable instantiation

* Modification of ISwingEnvironment (add a new createTable(..) method)
* Modification of the swing fields using a table
* Add tests

https://bugs.eclipse.org/bugs/show_bug.cgi?id=405354

Change-Id: Ied79fc60568ec04553a6bb31d97a59fce0d1bd4b