Added a notes_url parameter and redering of it in the host object ERB template; removed it from the lists of needed parameters.
Added an action_url parameter and redering of it in the host object ERB template; removed it from the lists of needed parameters.
Added an icon_image parameter and redering of it in the host object ERB template; removed it from the lists of needed parameters.
Added an icon_image_alt parameter and redering of it in the host object ERB template; removed it from the lists of needed parameters.
Get rid of the needed parameters list since we have all of them in the template now.