public TimezoneName addTimezoneName(String timezoneName) {
		TimezoneName prop = new TimezoneName(timezoneName);
		addTimezoneName(prop);
		return prop;
	}
public TimezoneName addTimezoneName ( String timezoneName ) { TimezoneName prop = new TimezoneName ( timezoneName ) ; addTimezoneName ( prop ) ; return prop ; }
Adds a traditional, non-standard name for the timezone observance.
@param timezoneName the timezone observance name (e.g. "EST")
@return the property that was created
@see <a href="http://tools.ietf.org/html/rfc5545#page-103">RFC 5545
p.103-4</a>
@see <a href="http://tools.ietf.org/html/rfc2445#page-98">RFC 2445
p.98-9</a>