create new branch ATR. Merge code from ATR with the codes usd in 307. Main...
create new branch ATR. Merge code from ATR with the codes usd in 307. Main changes including\n 1. use tcp server instead of rosbridge, should be used together with the azure_linux_ros_driver (one of Jiang's repo)\n 2. using the new fusion algorithm by choosing one most trustable skeleton as fusion base. Checek function update2() in Human() class.\n 3.using cone to represent head-hand direction.\n 5. now can continue when one of the sensors dead, and will reconnect when it's back 5. other details.