Add a "Manage" button alongside "Add" in pages sidebar

I got super confused trying to figure out now to edit visibility of pages within the panel. The current implementation of just clicking on the "Pages" heading is not intuitive for me.

See similar concerns in the forum:
http://getkirby.com/forum/panel/20140922/panel-for-v2-not-numbering-posts
http://getkirby.com/forum/panel/20141006/visibility-of-subpages