Add a notitle option.

plugins/scrape.rb

@@ -35,6 +35,7 @@ DataMapper.auto_upgrade!
 Client.register_trigger("PRIVMSG") do |msg|
     return 0 if msg[:params][1].nil?
     msg[:params][1].split.each do |word|
+        return 0 if word =~ "notitle"
         if word =~ /^https?:\/\// then
             original_url = word
             if word =~ /4cdn[.]org/ then