- cherrypick petef's stdout:///debug support

lib/logstash/outputs/stdout.rb

@@ -3,12 +3,26 @@ require "logstash/namespace"
 
 class LogStash::Outputs::Stdout < LogStash::Outputs::Base
   public
-  def register
-    # nothing to do
+  def initialize(*args)
+    super
+
+    @opts = {}
+    if @url.path != "/"
+      @opts = @url.path[1..-1].split(",")
+    end
   end # def register
 
   public
   def receive(event)
-    puts event
+    if debug?
+      ap event
+    else
+      puts event
+    end
   end # def event
+
+  public
+  def debug?
+    return @opts.member?("debug")
+  end
 end # class LogStash::Outputs::Stdout