Update README.md

Author: cyborg-x1

README.md

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 :warning: **ATTENTION! THE EV3_MANAGER NODE IS SUPPOSED TO RUN ON THE EV3 BRICK DIRECTLY!** :warning:
 
+:heart: Having problems with my software? Please use the Github [Issues](https://github.com/Hacks4ROS/h4r_ev3_ctrl/issues) features instead of direct emailing, maybe your problem and solving it can be useful for other users too, thank you...
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 Use the image in the instructions - it gives you all except for the launchfiles you should launch on your Linux PC to make the Brick load the controller!
 
 Instructions to get a working image for your SD Card can be found here:
 
 http://hacks4ros.github.io/h4r_ev3_ctrl/
 
 
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 This repository contains the node for the Lego EV3 for ROS.
 
 Early Demonstration (Recored some time ago): Driving with ROS Controller Diff Drive