Merge fix controller info with CI2 and CI3 compatible ways

get controller info with CI2 and CI3 compatible ways

Author: mckaygerhard

libraries/Profiler.php

@@ -421,7 +421,7 @@ protected function _compile_uri_string()
  */
 protected function _compile_controller_info()
 {
-$output = $this->CI->router->fetch_class()."/".$this->CI->router->fetch_method();
+$output = $this->CI->router->class."/".$this->CI->router->method;
 
 return $output;
 }