Included suggestion to update build-essential pkg if compiler doesn't support c++11
Included suggestion to update build-essential pkg if compiler doesn't support c++11

Zagitta/ur_modern_driver,smart-robotics/ur_modern_driver,smart-robotics/ur_modern_driver,Zagitta/ur_modern_driver,UniversalRobots/Universal_Robots_Client_Library,ThomasTimm/ur_modern_driver,ThomasTimm/ur_modern_driver,UniversalRobots/Universal_Robots_Client_Library,Zagitta/ur_modern_driver