Bug 152560 PDF doesn't display bottom Border in inner group footer properly
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableGroupLM.java
&& tableRegion.getHeight( ) < this.getMaxAvaHeight( )
						- currentBP )
		{
			
			Iterator iter = tableRegion.getChildren( );
			RowArea row = null;
			int count = 0;
			while ( iter.hasNext( ) )
			{
				row = (RowArea) iter.next( );
				addArea( row );
				count++;
			}
			if ( row != null )
			{
				removeBottomBorder( row );
			}
			tableLM.setRepeatCount( tableLM.getRepeatCount( ) + count );
		}
		tableLM.getContent( ).setExtension( IContent.LAYOUT_EXTENSION, null );
	}
	public int getCurrentBP( )
	{
		return parent.getCurrentBP( );
	}
	protected boolean submitRoot( boolean childBreak )
	{
		return true;
	}
	public int getCurrentIP( )