/**
  * @brief Loads the config file
  * @returns true/false
  *
  * Reads the config file and saves it to the cache
  */
 private static function readData()
 {
     if (self::$init) {
         return true;
     }
     if (!file_exists(OC::$SERVERROOT . "/config/config.php")) {
         return false;
     }
     // Include the file, save the data from $CONFIG
     include OC::$SERVERROOT . "/config/config.php";
     if (isset($CONFIG) && is_array($CONFIG)) {
         self::$cache = $CONFIG;
     }
     // We cached everything
     self::$init = true;
     return true;
 }