[gtk] (8 commits) ...Merge branch 'wip/carlosg/drop-search-handle-event' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  95754aa... treeview: Fix variable typo (*)
  9cb9843... searchentry: Add ::search-started signal (*)
  dc88a1e... inspector: Fix prop-list search (*)
  e59c6ab... filechooserwidget: Drop usage of gtk_search_entry_handle_ev (*)
  1825aa3... shortcutswindow: Drop usage of gtk_search_bar_handle_event( (*)
  edccf89... icon-browser: Drop usage of gtk_search_bar_handle_event() (*)
  b842bf7... gtk: Drop gtk_search_[entry|bar]_handle_event() (*)
  2cc30f7... Merge branch 'wip/carlosg/drop-search-handle-event' into 'm

(*) This commit already existed in another branch; no separate mail sent