General : cleaning and optimizing CSS

General : responsive design
General : reload button now spins when you reload block
General : update jQuery plugin Knob to 1.2.11
General : optimizing security (config file esm.config.json is now in the conf/ folder with an htaccess)
CPU : retrieves correctly CPU frequency for Raspberry Pi
CPU : add CPU temperature (+ option to enable/disable)
System : little correction for getting distro name
Swap : fix if swap is disabled
Services status : adds protocol TCP or UDP for checking service status
Services status : new option to hide port number (see show_port in services section)

libs/load_average.php

@@ -1,5 +1,5 @@
 <?php
-require 'Utils/Misc.class.php';
+require '../autoload.php';
 
 if (!($load_tmp = shell_exec('cat /proc/loadavg | awk \'{print $1","$2","$3}\'')))
 {