[roboweb]: Drop support for URL parameters
[roboweb]: Drop support for URL parameters

Modelling structured messages as URL parameters is just to much hassle.
For HTTP GET mode, use URLs of the form http://host/control:{... JSON ...}
instead.

rkunze/ft-robo-snap,rkunze/ft-robo-snap,rkunze/ft-robo-snap,rkunze/ft-robo-snap