col.addListener(SWT.Selection, sorter);
col = new TableColumn(t, SWT.LEFT);
col.setText("Status");
col.setWidth(20);
col.addListener(SWT.Selection, sorter);
t.setHeaderVisible(true);
viewer.setColumnProperties(new String[] { "Project", "Status", "" });
viewer.setContentProvider(new JobContentProvider(viewer, buildStatusAction));
viewer.setLabelProvider(new JobLabelProvider());