Add back getCfg

Author: wilsonge

libraries/cms/application/cms.php

@@ -396,6 +396,22 @@ protected function checkUserRequireReset($option, $view, $layout, $tasks)
 		}
 	}
 
+	/**
+	 * Gets a configuration value.
+	 *
+	 * @param   string  $varname  The name of the value to get.
+	 * @param   string  $default  Default value to return
+	 *
+	 * @return  mixed  The user state.
+	 *
+	 * @since   3.2
+	 * @deprecated  5.0  Use get() instead
+	 */
+	public function getCfg($varname, $default = null)
+    {
+    	return $this->get($varname, $default);
+    }
+
 	/**
 	 * Gets the client id of the current running application.
 	 *