t2g autospec hook

@times_2_green = []

Autotest::add_hook :all_good do |at|
  @times_2_green << Time.now.to_i

  data = []
  @times_2_green.uniq.each_with_index do |time, index|
    if index > 0
      data << time - @times_2_green[index-1]
    end
  end


  if data.size > 0
    File.open("test.html", "w") do |f|
      f.puts "<title>Time 2 Green Graph</title>"
      f.puts "<img src='http://chart.apis.google.com/chart?cht=lc&chs=250x100&chd=t:#{data.join(',')}&chds=0,#{data.max+10}' />"
    end
  end
end