Added corner widgets to the SceneInspector.Diff class.
Added corner widgets to the SceneInspector.Diff class.

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