enable exclude list in host config.pl template
diff --git a/templates/host.pl.erb b/templates/host.pl.erb
index b3d0dcd..c7b12a1 100644
--- a/templates/host.pl.erb
+++ b/templates/host.pl.erb
@@ -380,7 +380,11 @@
 #       '*' => ['/junk', '/dont_back_this_up'], # these are for other shares
 #    };
 #
-$Conf{BackupFilesExclude} = ['/proc', '/mnt', '/dev', '/sys', '/tmp'];
+$Conf{BackupFilesExclude} = [
+<% exclude.each do |ex| -%>
+  '<%= ex -%>',
+<% end -%>
+];
 
 #
 # PCs that are always or often on the network can be backed up after