#1 closing a local app closes the launcher

[Shayne R Flint]

When the launcher is used to start an application
locally (ie. not across the internet), and that
application is closed, the launcher is also closed
along with any other open applications.

[Shayne R Flint]

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This happens because the SwingContext.close() method, used
to close applications that are running stand-alone, uses
System.exit() to stop the application.

This, of course, stops the lot, but was OK before the
launcher was modified to allow the starting of stand-alone
applications.

To be fixed in 0.9.5.