Bug 138294 If a TemplateReportItem is set to invisible, it should be invisible in HTML output
If a TemplateReportItem is set to invisible, it should be invisible in HTML output. Right now, even if it is set to invisible, it still shows up in preview in HTML format.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
private TableBandDesign createTableBand( SlotHandle elements )
	{
		TableBandDesign band = new TableBandDesign( );
		for ( int i = 0; i < elements.getCount( ); i++ )
		{
			apply( elements.get( i ) );
			if ( currentElement != null )
			{
				band.addRow( (RowDesign) currentElement );
			}
		}
		return band;
	}
	/**
	 * Creates the property visibility
	 * 
	 * @param visibilityRulesIterator
	 *            the handle's rules iterator
	 * @return null only if the iterator is null or it contains no rules,
	 *         otherwise VisibilityDesign
	 */
	protected VisibilityDesign createVisibility(
			Iterator visibilityRulesIterator )
	{
		if ( visibilityRulesIterator != null )
		{
			VisibilityDesign visibility = new VisibilityDesign( );
			while ( visibilityRulesIterator.hasNext( ) )
			{
				VisibilityRuleDesign hide = createHide( (HideRuleHandle) visibilityRulesIterator