jogwheel.py: support .scaled output pin
jogwheel.py: support .scaled output pin

new property:   show_scaled_value
                (default==False for compatibilty with prior behavior)

new IN halpin:  .scale (default 1.0)

new function:   get_scaled_value()
                (enables creation of .scaled OUT pin in parent class
                  (_HalJogWheelBase))

Signed-off-by: Dewey Garrett <546ec366615570e68497e3c5df9092106a9808f4@panix.com>

bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror