require newrelic_rpm if newrelic is configured

app/controllers/publics_controller.rb

@@ -3,6 +3,7 @@
 #   the COPYRIGHT file.
 
 require File.join(Rails.root, 'lib', 'stream', 'public')
+require 'newrelic_rpm' if File.exists?(File.expand_path('../newrelic.yml', __FILE__))
 
 class PublicsController < ApplicationController
   require File.join(Rails.root, '/lib/diaspora/parser')
@@ -10,7 +11,7 @@ class PublicsController < ApplicationController
   require File.join(Rails.root, '/lib/postzord/receiver/private')
   include Diaspora::Parser
 
-  newrelic_ignore
+  newrelic_ignore if File.exists?(File.expand_path('../newrelic.yml', __FILE__))
 
   skip_before_filter :set_header_data
   skip_before_filter :which_action_and_user