[BasicConfigurationShooter] Replace const ref shared pointer by instance

  for member robot_.

NEWS

@@ -15,4 +15,5 @@ New in 4.1, 2018-05-17
 * Implement continuousCollisionChecking::Progressive::filterCollisionPairs.
 * Add accessor to the SteeringMethod::problem_.
 * Add TimeParameterization and add it to Path.
-* Fix loop of shared ptr of ConnectedComponent.
\ No newline at end of file
+* Fix loop of shared ptr of ConnectedComponent.
+* member BasicConfigurationShooter is not a const reference anymore.

include/hpp/core/basic-configuration-shooter.hh

@@ -60,7 +60,7 @@ namespace hpp {
       }
 
     private:
-      const DevicePtr_t& robot_;
+      DevicePtr_t robot_;
       BasicConfigurationShooterWkPtr_t weak_;
     }; // class BasicConfigurationShooter
     /// \}