DSL need cli_options

use case:

$: puma -C puma.rb -d

but in puma.rb:

if @options[:daemon]  # got nil, can not work
  log_path = File.join(app_root,"log/stdout.log")
  stdout_redirect log_path , log_path
end

lib/puma/configuration.rb

@@ -54,6 +54,7 @@ module Puma
     end
 
     def load
+      @conf.merge! @cli_options
       DSL.load(@conf, @cli_options[:config_file])
 
       # Load the options in the right priority