MediaLink (gb.media)
This class represents a link between two 
MediaControl objects.
This class is not creatable.
Properties
| Input | Return the name of the other side of the link if it is an input. | 
| Name | Return the name of the link. | 
| Output | Return the name of the other side of the link if it is an output. | 
| Peer | Return the MediaControl on the other side of the link. |