munin: Minor update to munin-node.conf based on the example config

munin/templates/munin-node.conf.erb

@@ -21,7 +21,8 @@ group root
 <% end -%>
 
 # Regexps for files to ignore
-ignore_file ~$
+ignore_file [\#~]$
+ignore_file DEADJOE$
 ignore_file \.bak$
 ignore_file %$
 ignore_file \.dpkg-(tmp|new|old|dist)$
@@ -34,9 +35,10 @@ ignore_file \.pod$
 host_name <%= @homename %>
 
 # A list of addresses that are allowed to connect.  This must be a
-# regular expression, due to brain damage in Net::Server, which
-# doesn't understand CIDR-style network notation.  You may repeat
-# the allow line as many times as you'd like
+# regular expression, since Net::Server does not understand CIDR-style
+# network notation unless the perl module Net::CIDR is installed.  You
+# may repeat the allow line as many times as you'd like
+
 <% @munin_allow.each do |allow| -%>
 allow <%= "^%s$" % allow.gsub('.', '\.') %>
 <% end -%>