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/html/HTMLAbstractLM.java
{
	protected final static int LAYOUT_MANAGER_UNKNOW = -1;
	protected final static int LAYOUT_MANAGER_LEAF = 0;
	protected final static int LAYOUT_MANAGER_BLOCK = 1;
	protected final static int LAYOUT_MANAGER_PAGE = 2;
	protected final static int LAYOUT_MANAGER_TABLE = 3;
	protected final static int LAYOUT_MANAGER_TABLE_BAND = 4;
	protected final static int LAYOUT_MANAGER_ROW = 5;
	protected final static int LAYOUT_MANAGER_LIST = 6;