LPS-51636 Moves rss code to portal-impl
LPS-51636 Removes portlet RSS from AddDefaultLayoutSetPrototype
LPS-51636 SF - template
LPS-51636 SF
LPS-51636 SF - merge methods (no logic changes)
LPS-51636 use the classloader from the template handler (it could be in another classloader)
LPS-51701 Simplify
LPS-51701 I think this makes more logical sense