fixed HeeksCAD issue  Issue 311:  	 background colors ignored/overwritten from/to config file
fixed HeeksCAD issue  Issue 311:  	 background colors ignored/overwritten from/to config file
satovey/heekscnc,jihyun-kim/heekscnc,asmuelle/heekscnc,asmuelle/heekscnc,asmuelle/heekscnc,satovey/heekscnc,asmuelle/heekscnc,jihyun-kim/heekscnc,satovey/heekscnc,jihyun-kim/heekscnc,satovey/heekscnc,jihyun-kim/heekscnc