A single button widget for returning to the default camera view of the current scene.
    
| Name | Type | Description | 
|---|---|---|
| container | Element | String | The DOM element or ID that will contain the widget. | 
| scene | Scene | The Scene instance to use. | 
| duration | Number | optional The time, in seconds, it takes to complete the camera flight home. | 
Members
    Gets the parent container.
    Gets the view model.
Methods
    Destroys the widget.  Should be called if permanently
removing the widget from layout.
Returns:
    true if the object has been destroyed, false otherwise.
    
