edit by  Priscilla Caplan 12/4/13
        Fixed location/url not processed when location/physicalLocation present
        Changed format of 887 to conform to spec
        Added trailing colon between title and subtitle
        Fix bug preventing dates with @point="end" from going into 260 $c
        Change to take dateCreated as 260 $c date if no dateIssued
        Change to use 1st 4 characters of dateIssued or dateCreated in 008 even if not(encoding="marc")