Bug 119398 Using RenderTask to render pdf file but the master page information lost.
Description: Using RenderTask to render pdf file but the master page information lost. Steps to reproduce: 1. Generate attached case1.rptdesign to report document 2. Using RenderTask to render report document to pdf file. Expected result: Master Page contents show in pdf file. Actual result: In generated pdf file, I saw "NO DATA FOUND!!!" instead of master page contents
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/css/engine/value/css/BorderWidthManager.java
return CSSValueConstants.MIDDLE_VALUE;
	}
	public Value createValue( LexicalUnit lu, CSSEngine engine )
			throws DOMException
	{
		switch ( lu.getLexicalUnitType( ) )
		{
			case LexicalUnit.SAC_IDENT :
				String s = lu.getStringValue( ).toLowerCase( ).intern( );
				Object v = values.get( s );
				if ( v == null )
				{
					throw createInvalidIdentifierDOMException( lu
							.getStringValue( ) );
				}
				return (Value) v;
		}
		return super.createValue( lu, engine );
	}
	public Value computeValue( CSSStylableElement elt, CSSEngine engine,
			int idx, Value value )
	{
		IStyle cs = elt.getComputedStyle( );
		CSSValue borderStyle = null;
		switch ( idx )
		{
			case IStyle.STYLE_BORDER_TOP_WIDTH :
				borderStyle = cs.getProperty( IStyle.STYLE_BORDER_TOP_STYLE );
				break;
			case IStyle.STYLE_BORDER_BOTTOM_WIDTH :