Bug 120117 [DataBinding] Need to support images in table cells
tests/org.eclipse.jface.tests.databinding/src/org/eclipse/jface/tests/databinding/scenarios/TableScenarios.java
private TableColumn firstNameColumn;
	private TableColumn lastNameColumn;
	private TableColumn stateColumn;
	protected void setUp() throws Exception {
		super.setUp();
		getComposite().setLayout(new FillLayout());
		tableViewer = new TableViewer(getComposite());
		firstNameColumn = new TableColumn(tableViewer.getTable(), SWT.NONE);
		firstNameColumn.setWidth(50);
		lastNameColumn = new TableColumn(tableViewer.getTable(), SWT.NONE);
		lastNameColumn.setWidth(50);		
		stateColumn = new TableColumn(tableViewer.getTable(), SWT.NONE);
		stateColumn.setWidth(50);		
		catalog = SampleData.CATALOG_2005; 
		category = SampleData.WINTER_CATEGORY; 
		
	}
	protected void tearDown() throws Exception {
		
		super.tearDown();
		tableViewer.getTable().dispose();
		tableViewer = null;
		firstNameColumn = null;
		lastNameColumn = null;
		stateColumn = null;
	}
	private String getValue(String text) {
		if (text==null)
			return "";
		return text;