fix offering to install shorewall & shorewall-ipv6 when already installed we could have provided full paths in drakx-net but it's simpler to make ensure_files_are_installed() behave like ensure_binary_is_installed() and search for file side effect: a warning in mousedrake
drakx/trunk/perl-install/NEWS
drakx/trunk/perl-install/do_pkgs.pm
drakx/trunk/perl-install/install/NEWS