References to examples & usage notes in property/class definitions

[stuartasutton]

Examples and usage notes could/should be added to the definition tables at http://purl.org/dcx/lrmi-terms/. The examples and usage notes could be maintained in Github per property or class where they could be versioned and open to community contribution. Use VANN: A vocabulary for annotating vocabulary descriptions:

[Example] (http://purl.org/vocab/vann/example Usage Note