Bug 151202 [regression]Set default master page to item in cell will cause blank page
Description: Set default master page to item in cell will cause blank page Steps to reproduce: 1. New a report 2. Insert a grid(1*1) 3. Insert a label to grid cell 4. Select the label and set default master page to it 5. Preview in Web Viewer and pdf Expected result: No blank page, just one page for grid display. Actual result: A blank page before grid page
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFAbstractLM.java
if ( parent != null )
		{
			int leftHeight = parent.getMaxAvaHeight( ) - parent.getCurrentBP( );
			if ( leftHeight < Math.max( PDFConstants.MIN_LAYOUT_HEIGHT,
					specifiedHeight ) )
			{
				return true;
			}
		}
		return false;
	}
	protected void start( )
	{
	}
	protected void end( )
	{
	}
	protected void removeBoxProperty( IStyle style )
	{
		removePadding( style );
		removeBorder( style );
		removeMargin( style );
	}
	protected void removePadding( IStyle style )
	{
		if ( style != null )
		{
			style.setProperty( IStyle.STYLE_PADDING_LEFT, IStyle.NUMBER_0 );
			style.setProperty( IStyle.STYLE_PADDING_RIGHT, IStyle.NUMBER_0 );
			style.setProperty( IStyle.STYLE_PADDING_TOP, IStyle.NUMBER_0 );