LabScene:John McClure/planned facets

--the following parameters are not processed yet--
 * contributor=who are the stakeholders of this string value
 * coverage=time/place/audience contexts for the string value
 * creator=who is responsible for this string value
 * date=when this string value is set
 * description=provenance description for this string value
 * format=the generic kind of string value that it is eg Formal
 * language=the language for the string value
 * publisher=who is recording this string value
 * relation=other string values that may be of interest
 * rights=any rights information about this string value
 * source=from what the string value is derived
 * subject=name of the page or object for the string value
 * title=short name for this string value
 * type=datatype for this string value (eg could be xmls:token)