changed set_parameter function so that max_speed can be set

src/nav_module.cpp

@@ -895,7 +895,17 @@ bool CNavModule::set_parameter(const std::string &name_space,const std::string &
           return false;
       }
       else
-        return false;
+      {
+
+       if (current_name_space == "move_base"){
+              if (rem_name_space == "PalLocalPlanner"){
+                  this->palLocalPlanner_reconf.set_parameter(name,value);
+              }
+          }
+          else
+            return false;
+      }
+
     }
     else
     {