Adding a new parameter, hide_personal_portal_p, that can be used to suppress navigation to the personal portal. It's an unusual feature, but one that has nonetheless come in handy here at Sloan. The default value of 0 preserves past behavior.
Retrieve and include header stuff from global variable dotlrn_master__header_stuff. This is helpful for portlets that use javascript, e.g. dotlrn-main-portlet, and gives us a way to do it without having to ship the javascript on every page.