mini_bag_creator now makes a folder with a unique name (part_<number>) inside the folder of the existing bag

included a new application that can take a playback scenario and record it to a new bag file and set of videos

event generator takes a bag file and automatically generates a set of messages based on the state of the vehicle, stores them as an extension bag

multi_camera_lidar now publishes a set of cameras with lidar on top, also published coloured pointclouds