Bug 119566 Support template items in page header/footer
Currently you can't create template report items inside a page header/footer. This should be fixed.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
* 
	 * @param baseId
	 *            The id reference element.
	 */
	public void setBaseId( long baseId )
	{
		this.baseId = baseId;
	}
	/**
	 * @return Returns the idRef.
	 */
	public long getBaseId( )
	{
		return baseId;
	}
	/**
	 * Clears local properties of the element.
	 */
	public void clearAllProperties( )
	{
		this.name = null;
		this.extendsRef = null;
		propValues.clear( );
	}
	/**
	 * Determines whether this element and its contents are managed by
	 * namespace. If this element is a pending node and not in any module, or it
	 * is contained in a slot that is not managed by namespace, then return
	 * false. Otherwise true.
	 *