2.8.11:

* TreeView: Fix memory leak in get_cursor().
  Bug #417539 (Andrew E. Makeev)
* Gtk::Main: Actually do cleanup in the constructor, to allow repeated use and 
  avoid theoretical memory leaks. (Murray Cumming)
  Bug #383340 from Christopher Raine.
* IconTheme::get_example_icon_name() documentation fix.
  (Jonathon Jongsma)