Displays an alert dialog to the user.
This function blocks until it receives a response from the user.
<static> showAlertDialog( message, [title] )
| Name | Type | Argument | Description |
| message | string | The message to display | |
| title | string | (optional) | The title doesn't actually get displayed. |
hwc.showAlertDialog( "This is a fancy alert dialog", "With a Title" );