Split ndt_nodes map_publisher class
requested to merge ambroise.vincent/AutowareAuto:363-verify-all-non-trivial-nodes-implement-3-tier-design-pattern-6 into master
Move non-ROS-related functions to a new class in the ndt package.
Fix the use of "geocentric" when meaning "geodetic" according to the description made in GeographicLib library.
Part of #363 (closed)