qtgui: disable scrollbars by default in c2e mode, for now
qtgui: disable scrollbars by default in c2e mode, for now

bdonlan/openc2e,crystalline/openc2e,ccdevnet/openc2e,bdonlan/openc2e,crystalline/openc2e,ccdevnet/openc2e,crystalline/openc2e,bdonlan/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,bdonlan/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,crystalline/openc2e,crystalline/openc2e