[pygtksourceview] (16 commits) ...Merge branch 'gtksourcecompletion'

[Jesse van den Kieboom <jessevdk src gnome org>]

Summary of changes:

  414c93b... Added bindings for GtkSourceCompletion (*)
  6213a93... Added bindings for new API (*)
  b8a6baa... Fixed reference counting problem with get_info_widget (*)
  0b4ace2... Updated for new API (*)
  6ef81e2... Fixed crasher in show_completion (invalid cast) (*)
  79e3fe9... Merge branch 'master' into gtksourcecompletion (*)
  36e5c00... Updated bindings to latest API (*)
  83ba787... Override some not so well mapped API (*)
  6be2680... Fixed wrong type check in add_proposals override (*)
  b291563... Fixed memory leak in add_proposals (*)
  162fd28... Fixed wrong cast from self instead of self->obj in completi (*)
  c3e4246... Removed context_move_window and added completion_move_windo (*)
  6481955... Provide bindings for WordsCompletion (*)
  78f0817... Added CompletionActivation (*)
  85f2ce5... Updated API to include change of get_start_iter (*)
  77ec375... Merge branch 'gtksourcecompletion'

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