mod/optimize function.sh (for kloxo php wrapper); fix link from lxphp to php52s; use \cp instead cp for bash cp (escape from cp with prompt); create key/crt/key/pem always together for ssl; change /restart or /backendrestart to /load-wrapper (for socket error handling); fix link because change from lxphp to php52s (including secondary php also); change ip-port-based to socket-based for php-fpm (including for multiple-php prepare);