JogVelocityHandler: added support for proportional values
JogVelocityHandler: added support for proportional values

machinekoder/QtQuickVcp,qtquickvcp/QtQuickVcp,machinekoder/QtQuickVcp,qtquickvcp/QtQuickVcp,strahlex/QtQuickVcp,JDSquared/QtQuickVcp,JDSquared/QtQuickVcp,strahlex/QtQuickVcp,araisrobo/QtQuickVcp,araisrobo/QtQuickVcp,qtquickvcp/QtQuickVcp,JDSquared/QtQuickVcp,araisrobo/QtQuickVcp,strahlex/QtQuickVcp,JDSquared/QtQuickVcp,qtquickvcp/QtQuickVcp,machinekoder/QtQuickVcp,machinekoder/QtQuickVcp,araisrobo/QtQuickVcp