rename RosPose to RosPosePublisher and add StringPublisher for released item
rename RosPose to RosPosePublisher and add StringPublisher for released item

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