def run
      GreenAndSecure::check_block_setup
      puts "The available chef servers are:"
      servers.each do |server|
        if server == current_server then
          puts "\t* #{server} [ Currently Selected ]"
        else
          puts "\t* #{server}"
        end
      end
    end
def run
      GreenAndSecure::check_block_setup
      puts "The available chef servers are:"
      servers.each do |server|
        if server == current_server then
          puts "\t* #{server} [ Currently Selected ]"
        else
          puts "\t* #{server}"
        end
      end
    end
list the available environments