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
/**
	 * Returns the optional display name. Note: set the display name by calling
	 * the {@link #setProperty( String, Object )}method.
	 * <p>
	 * Part of: The name system.
	 * 
	 * @return Returns the displayName.
	 */
	public String getDisplayName( )
	{
		return (String) getLocalProperty( null, DISPLAY_NAME_PROP );
	}
	/**
	 * Returns the optional message id used to localize the display name. Note:
	 * set the display name id by calling the
	 * {@link #setProperty( String, Object )}method.
	 * <p>
	 * Part of: The name system.
	 * 
	 * @return Returns the displayNameID.
	 */
	public String getDisplayNameID( )
	{
		return (String) getLocalProperty( null, DISPLAY_NAME_ID_PROP );
	}
	/**
	 * Sets the unique ID for this element. The ID can be set only once, when
	 * the element is first added to the design.
	 * 
	 * @param newID