https://www.vectornav.com/products/vn-100
imu_vn100.cpp: A simple example to read data from VN100
imu_reader.h/cpp: An interface to read data from VN100
contains an example to digest the data obtained by ADIS
99-usb-serial.rules are used to dinstinguish the IMU serial port when multiple serial connections exist, the idea can be found in the following link
http://hintshop.ludvig.co.nz/show/persistent-names-usb-serial-devices/