Add function getDeviceNames in robot to get the names of robots and object in...

Add function getDeviceNames in robot to get the names of robots and object in the same order than in the configuration.

include/hpp/manipulation/robot.hh

@@ -105,9 +105,25 @@ namespace hpp {
 	return it->second;
       }
 
+      /// Get Device names in the same order than the compositeRobot has been
+      /// build
+      std::vector<std::string> getDeviceNames()
+      {
+        std::vector<std::string> deviceNames;
+        for ( Devices_t::iterator itDevice = robots_.begin() ; itDevice != 
+                robots_.end() ; itDevice++ ) {
+          deviceNames.push_back((*itDevice)->name());
+        }
+        for ( Objects_t::iterator itObject = objects_.begin() ; itObject !=
+                objects_.end() ; itObject++ ) {
+          deviceNames.push_back((*itObject)->name());
+        }
+        return deviceNames;
+      }
+
       /// Print object in a stream
       virtual std::ostream& print (std::ostream& os) const;
-
+      
     protected:
       /// Constructor
       /// \param name of the new instance,