* Add gpsd dependency

* Add gps option to enable gps updates

* Update compilation instructions

* Sleep 1/2 second between messages

* Update cmd line params in help/README

* Fix compilation instructions for gpsd

* Add quotation marks

* Change header definition

* Speedup message transmission

* Do not fill example data for gps if gps option is used

* Fix issue with invalid read in memory

* Read from gps on a separate thread

Co-authored-by: Elmedin Zildzic <elmzi904@student.liu.se>