Tuning AUTHORS.txt
Tuning AUTHORS.txt

Update issue 1585
Status: Done
Cc: pekka.klarck
Reformatted and added few missing names.

userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3