Initial import of a list of UK national postcodes into the Packages

Initial import of a list of UK national postcodes into the Packages
Collection. The list is a five-field CSV file.

	Free list of UK postcodes

	The list is formatted as plain text, with each record on a separate
	line.  Each record consists of five fields, each field being separated
	by a comma.  You should be able to import this data into most
	applications that support "comma separated variables".  The five
	fields are:

	   1. First part of the UK postcode (area code)
	   2. x-coordinate (metres)
	   3. y-coordinate (metres)
	   4. Latitude
	   5. Longitude