The Timeline is a widget for displaying and controlling the current scene time.
    
| Name | Type | Description | 
|---|---|---|
| container | Element | The parent HTML container node for this widget. | 
| clock | Clock | The clock to use. | 
Members
    Gets the parent container.
Methods
    Destroys the widget.  Should be called if permanently
removing the widget from layout.
Returns:
    true if the object has been destroyed, false otherwise.
    
    Resizes the widget to match the container size.
    Sets the view to the provided times.
    
| Name | Type | Description | 
|---|---|---|
| startTime | JulianDate | The start time. | 
| stopTime | JulianDate | The stop time. | 
