Added a button to enable/disable the postioning of the robot and child
Added a button to enable/disable the postioning of the robot and child

emmanuel-senft/freeplay-sandbox-qt,severin-lemaignan/freeplay-sandbox-qt,EmmanuelSenft/freeplay-sandbox-qt,EmmanuelSenft/freeplay-sandbox-qt,emmanuel-senft/freeplay-sandbox-qt,severin-lemaignan/freeplay-sandbox-qt