Adds bar graphs with cost

ar-no-rails.rb

@@ -2,6 +2,8 @@ require "rubygems"
 require "bundler/setup"
 require "active_record"
 require "open-uri"
+require 'gr/plot'
+require 'histogram'
 
 project_root = File.dirname(File.absolute_path(__FILE__))
 Dir.glob(project_root + "/app/models/*.rb").each{|f| require f}
@@ -9,7 +11,6 @@ Dir.glob(project_root + "/app/models/*.rb").each{|f| require f}
 connection_details = YAML::load(File.open('config/database.yml'))
 ActiveRecord::Base.establish_connection(connection_details)
 
-
 if __FILE__ == $0
   puts "Count of Pages: #{Page.count}"
 end