Checks and updates the application.


- autoUpdate (Boolean)
- If set to true, an automatic update will occur. If false, the following dialog will be displayed: "An update is available. Would you like to update the application now?
- askShutdown (Boolean)
- If set to true, a prompt appears asking yes or no to restart the application immediately. If false, a dialog with only an Ok button hinting to restart is displayed.
- acknowledgeDialog (Boolean)
- If set to true a dialog is displayed prompting you to acknowledge that the updates are not available. If false, no dialog is displayed.