Fixed StandardNodeUI.setReadOnly() to properly affect plug labels.
Fixed StandardNodeUI.setReadOnly() to properly affect plug labels.

Before the plug labels were providing a loophole through which editable versions of the menus were available.

GafferHQ/gaffer,ivanimanishi/gaffer,boberfly/gaffer,chippey/gaffer,boberfly/gaffer,lucienfostier/gaffer,boberfly/gaffer,goddardl/gaffer,davidsminor/gaffer,andrewkaufman/gaffer,ivanimanishi/gaffer,ImageEngine/gaffer,davidsminor/gaffer,hradec/gaffer,hradec/gaffer,andrewkaufman/gaffer,goddardl/gaffer,johnhaddon/gaffer,chippey/gaffer,lucienfostier/gaffer,boberfly/gaffer,johnhaddon/gaffer,goddardl/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,hradec/gaffer,paulondc/gaffer,appleseedhq/gaffer,GafferHQ/gaffer,hradec/gaffer,goddardl/gaffer,ivanimanishi/gaffer,johnhaddon/gaffer,cedriclaunay/gaffer,davidsminor/gaffer,ImageEngine/gaffer,lucienfostier/gaffer,cedriclaunay/gaffer,johnhaddon/gaffer,chippey/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,cedriclaunay/gaffer,paulondc/gaffer,andrewkaufman/gaffer,davidsminor/gaffer,GafferHQ/gaffer,ImageEngine/gaffer,paulondc/gaffer,appleseedhq/gaffer,cedriclaunay/gaffer,appleseedhq/gaffer,paulondc/gaffer,andrewkaufman/gaffer,hradec/gaffer,chippey/gaffer,ivanimanishi/gaffer