Prompt user for shutdown mode of external language servers.
Launched from External Language Server table in System Management Portal (SMP)
zen('table').launchConfirmDialog(,'confirmationDialog',,);
where classname : %CSP.UI.Portal.Dialog.ExternalLanguageServerStop.cls
features : 'resizable,width=540,height=200'
params : a JSON Object with the following keys, Msg1, Title, Link
Msg1 : the text displayed in the confirmation dialog
Title : the (hidden) title of the dialog
Link : javascript code to execute when a confirmation button control is clicked
The proper action is fetched by getDialogValue() which is set to by the parent class