Disable editable "Name" column in JFileChooser details table.
Exclude aggregation members that aren't readable.
* https://www.unidata.ucar.edu/esupport/staff/index.php?_m=tickets&_a=viewticket&ticketid=24559
Merge branch '4.5.4' of https://github.com/Unidata/thredds into 4.5.4