removed drag events from IssuePanelCell
removed drag events from IssuePanelCell

Honoo/HubTurbo,Honoo/HubTurbo,ianngiaw/HubTurbo,ianngiaw/HubTurbo,gaieepo/HubTurbo,HyungJon/HubTurbo,gaieepo/HubTurbo,saav/HubTurbo,HyungJon/HubTurbo,saav/HubTurbo,Sumei1009/HubTurbo,Sumei1009/HubTurbo