Bug 148525 Display text is not found from library resource file
Steps to reproduce: 1.New a library, add a resource file "a.properties" 2.Add a label with text"abc", add a localization "k1=actuate" 3.New a report, extend the label 4.Preview the report Expected result: Report shows "actuate" in preview Actual result: Report shows "actuate" in layout, but "abc" in preview
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
* 
	 * @param data
	 *            data content object
	 */
	public Object visitData( IDataContent data, Object value )
	{
		DataItemScriptExecutor.handleOnRender( data, context );
		processData( data );
		return data;
	}
	/**
	 * process the data content
	 * 
	 * <li> localize the help text
	 * <li> format the value
	 * <li> handle it as it is an text.
	 * 
	 * @param data
	 *            data object
	 */
	protected void processData( IDataContent data )
	{
		String helpText = localize( data.getHelpKey( ), data.getHelpText( ) );
		data.setHelpText( helpText );
		String text = ""; 
		if ( data.getLabelKey( ) != null || data.getLabelText( ) != null )
		{
			text = localize( data.getLabelKey( ), data.getLabelText( ) );
		}
		else