Bug 194371 Use page emitter framework to implement ppt emitter.
In order to keep consistent with pdf and postscript, ppt need to use page emitter framework.
engine/org.eclipse.birt.report.engine.emitter.ppt/src/org/eclipse/birt/report/engine/emitter/ppt/PPTRender.java
borderBottomWidth,
						borderBottomColor,
						style.getProperty( StyleConstants.STYLE_BORDER_BOTTOM_STYLE ),
						BorderInfo.BOTTOM_BORDER );
				borders[BorderInfo.LEFT_BORDER] = new BorderInfo( layoutX
						+ borderLeftWidth
						/ 2,
						layoutY,
						layoutX + borderLeftWidth / 2,
						layoutY + container.getHeight( ),
						borderLeftWidth,
						borderLeftColor,
						style.getProperty( StyleConstants.STYLE_BORDER_LEFT_STYLE ),
						BorderInfo.LEFT_BORDER );
				
				
				drawBorder( borders );
			}
		}
	}
	/**
	 * Draws the borders of a container.
	 * 
	 * @param borders
	 *            the border info
	 */
	private void drawBorder( BorderInfo[] borders )
	{
		
		ArrayList dbl = null;