ImageViewUI : Add busy widget and pause button
ImageViewUI : Add busy widget and pause button

lucienfostier/gaffer,ImageEngine/gaffer,lucienfostier/gaffer,hradec/gaffer,GafferHQ/gaffer,johnhaddon/gaffer,boberfly/gaffer,ivanimanishi/gaffer,johnhaddon/gaffer,boberfly/gaffer,GafferHQ/gaffer,boberfly/gaffer,appleseedhq/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer,hradec/gaffer,hradec/gaffer,ivanimanishi/gaffer,appleseedhq/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,andrewkaufman/gaffer,boberfly/gaffer,hradec/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,johnhaddon/gaffer,appleseedhq/gaffer,ivanimanishi/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,johnhaddon/gaffer,hradec/gaffer,lucienfostier/gaffer