Bug 136241 [regression]Preview template in web viewer and pdf didn't get correct effect.
Description: Preview template items in web viewer and pdf didn't get correct effect. Steps to reproduce: 1. Create template items. 2. Preview in Web Viewer and pdf. Expected result: Same effect as in html. Actual result: In web viewer, see only blank box. In pdf, blank page.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
public void move( DesignElement content, int fromSlotID, DesignElement to,
			int toSlotID ) throws ContentException
	{
		doMove( content, fromSlotID, to, toSlotID, -1 );
	}
	/**
	 * Moves an element from one position to another within the same slot.
	 * <p>
	 * For example, if a slot has A, B, C elements in order, when move A element
	 * to <code>newPosn</code> with the value 2, the sequence becomes B, A, C.
	 * 
	 * 
	 * @param content
	 *            The element to move.
	 * @param slotID
	 *            The slot that contains the element.
	 * @param newPosn
	 *            The new position within the slot. Note that the range of
	 *            <code>newPos</code> is from 0 to the number of element in
	 *            the slot with the ID <code>slotID</code>.
	 * @throws ContentException
	 *             if the content cannot be moved to new container.
	 */
	public void movePosition( DesignElement content, int slotID, int newPosn )
			throws ContentException
	{
		assert content != null;
		
		if ( !element.getDefn( ).isContainer( ) )
			throw new ContentException( element, slotID,