before) each group of tab.add, and there is no tab.nextrow before or
after tab.addrow. Also remove manual indenting that was accomplished by
padding the first column with spaces; this is done by
stdnse.format_output now.
nfs-showmount scripts to use the new library. The new scripts are:
- nfs-acls shows the owner and directory mode of NFS exports
- nfs-dirlist lists the contents of NFS exports
- nfs-statfs shows file system statistics for NFS exports
[Patrik]