#Start on 2019.06, based on the data in may
2019.05.31 data
calib.launch: to see the calib result of two lasers
mapping: use two laser sensors to build a dense map
map_filter:
map_transformer: transform the map according to the tfs, once
odom_may: odometry, send Vx, Vy, A
sender_udp: listen tf, send the udf msg to vehicle
recorder: record poses for comparison
loc_fusion: ekf_localization in one thread, combininig the laser registraiton inside
laser_reg: registration part, send icp pose to loc part
loc_demo: ekf localization