[gtk] (21 commits) ...Merge branch 'ebassi/docs-for-master' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  4fb55b3... docs: Complete symbol coverage for GDK (*)
  344eb21... docs: Complete symbol coverage for GSK (*)
  2aec47f... docs: Add missing documentation for GtkCellRenderer (*)
  5489492... docs: Add missing documentation GtkNative (*)
  077aec5... docs: Add missing documentation for GtkTextCharPredicate (*)
  fc4402b... docs: Ignore gtkpasswordentryprivate.h (*)
  f24429e... docs: Remove private symbols (*)
  1cb7253... docs: Fix syntax of GtkEntry::activate signal (*)
  308115e... docs: Add gtk-doc stanza for GtkExpander::activate (*)
  e4b7847... docs: Fix documentation of GtkGestureStylus (*)
  ab59c47... docs: Add missing documentation to GtkPopover (*)
  d711acc... docs: Ignore gtksorterprivate.h (*)
  73dda96... docs: Add missing stanzas for gtk_test_accessible API (*)
  cc9528e... docs: Add missing documentation to GtkStatusbar (*)
  9fa4c2f... docs: Ignore gtkspinbuttonprivate.h (*)
  fb93bae... docs: Add missing description for GtkWidget::move-focus (*)
  5203bf0... docs: Document GtkTreeViewColumn::clicked (*)
  387078b... docs: Document GtkNativeDialogClass (*)
  2ffa2be... doc: Document missing GtkNotebook types (*)
  e3de92f... docs: Fix annotation for GtkSearchEntry::activate (*)
  45b7fa1... Merge branch 'ebassi/docs-for-master' into 'master'

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