Used the public node handle for the dynamic reconfigure server instead of the private one.

include/iri_base_driver/iri_base_driver_node.h

@@ -339,7 +339,7 @@ IriBaseNodeDriver<Driver>::IriBaseNodeDriver(const ros::NodeHandle &nh) :
   public_node_handle_(nh),
   loop_rate_(DEFAULT_RATE),
   diagnostic_(),
-  dsrv_(private_node_handle_),
+  dsrv_(public_node_handle_),
   private_node_handle_("~"),
   driver_status_standard_diagnostic_("Driver Status", boost::bind(&IriBaseNodeDriver::statusDiagnostic, this, _1))
 {