removed access to layout__columns from General config tab in GridPanel
removed access to layout__columns from General config tab in GridPanel

skmitty/netzke-basepack,citrininfo/netzke-basepack,citrininfo/netzke-basepack,rvwong/netzke-basepack,skmitty/netzke-basepack,rvwong/netzke-basepack,skmitty/netzke-basepack,rvwong/netzke-basepack,citrininfo/netzke-basepack,citrininfo/netzke-basepack,rvwong/netzke-basepack,skmitty/netzke-basepack