Backup and restore links like usual

[bes-internal]

Why are links skipped in 430? We can (and should) move them like normal files

dfm/dfm

Lines 428 to 440 in b441043

	DEBUG(" Working on $direntry");
	if ( !-l $direntry ) {
	if ( -e $direntry ) {
	INFO(" Backing up $direntry.");
	system("mv '$direntry' '$backup_dir/$direntry'")
	if !$opts{'dry-run'};
	}
	INFO(" Symlinking $direntry ($symlink_base/$direntry).");
	my_symlink( "$symlink_base/$direntry", "$direntry" )
	if !$opts{'dry-run'};
	}
	}