lots of output_log.txt entries

[DaEgi01]

Fine Road Tool is logging basically every change in the tool settings to the output_log.
That is nice for debugging purposes, but bad for performance in "production" builds ;)
I know that in this case its almost a non issue since the users normally don't click that fast,
yet it would be nice if this logging could be removed or if users had an option to turn it off.