Prepare for callbacks that return more than one menu
This paves the way for callbacks that dynamically construct their
menu based on in-db content, such as Programs and Documents.
Patch by: Sverre Rabbelier
Make use of the 'sidebar' param for user_self
Instead of overriding getSidebarLinks we use the sidebar param since
user_self is now in it's own View.
Patch by: Sverre Rabbelier