Bug 123876 Justification does not work in PDF
Justification of a text field works in HTML, doesn't work in PDF.
engine/org.eclipse.birt.report.engine.emitter.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFEmitter.java
* Converts the top Y coordinate of an Area from layout to the start Y coordinate in pdf. 
		 * to the bottom Y coordinate in PDF
		 * @param layoutY 				the Y coordinate specified from layout
		 * @param areaHeight			the height of the area whose coordinate need to be converted.
		 * 								To text area, the height is from the top of the text to
		 * 								the text's baseline.
		 * @param containerHeight		the height of the area's container 
		 * @return				the PDF Y coordinate
		 */
		private float layoutAreaY2PDFEx (int layoutY, int areaHeight, float containerHeight)
		{
			return containerHeight - pdfMeasure(layoutY) - pdfMeasure(areaHeight);
		}
	    
		/**
		 * Sets current area as a bookmark. 
		 * If the current area does NOT contain any bookmark info,
		 * this method does nothing.
		 * 
		 * @param area			the area which may need to be marked. 
		 * @param curPos 		the position, relative to the page, of the area's container.
		 */
		private void makeBookmark(IArea area, ContainerPosition curPos) 
		{
			IContent content = area.getContent();
			if( null != content )
			{
				int areaY = curPos.y + area.getY();
				String bookmark = content.getBookmark();
				if (null != bookmark)