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
StructRefPropertyType refType = (StructRefPropertyType) prop.getType( );
		refType.resolve( module, prop, ref );
		if ( ref.isResolved( ) )
			ref.getTargetStructure( ).addClient( this, prop.getName( ) );
		return ref;
	}
	/**
	 * Attempts to resolve an element reference property. If the property is
	 * empty, or the reference is already resolved, return true. If the
	 * reference is not resolved, attempt to resolve it. If it cannot be
	 * resolved, return false.
	 * 
	 * @param module
	 *            the module
	 * @param propName
	 *            the name of the property
	 * @return <code>true</code> if the property is resolved;
	 *         <code>false</code> otherwise.
	 */
	public boolean checkElementReference( Module module, String propName )
	{
		assert !StringUtil.isBlank( propName );
		
		Object value = propValues.get( propName );
		if ( value == null )
			return true;
		
		ElementPropertyDefn prop = getPropertyDefn( propName );
		assert PropertyType.ELEMENT_REF_TYPE == prop.getTypeCode( );