fix string management and adde support for drag and drop[need to be completed]

ChaosMetadataServiceClientTest/NodeMonitorHandlerTest.cpp

ccs/ccs.pro

ccs/data/FixedOutputChannelDatasetTableModel.cpp

ccs/data/FixedOutputChannelDatasetTableModel.h

ccs/node/control_unit/ControlUnitEditor.cpp

ccs/node/control_unit/ControlUnitEditor.ui

ccs/widget/CQTableView.cpp

ccs/widget/designer/ChaosBaseDatasetAttributeUI.cpp

ccs/widget/designer/ChaosBaseDatasetAttributeUI.h

ccs/widget/designer/ChaosUISynopticLoaderWindow.cpp

ccs/widget/designer/ui/CDatasetAttributeLabel.cpp

...ata_service_client/node_monitor/ControlUnitController.cpp