* helm.el (helm-maybe-update-keymap): Use make-composed-keymap (#466).
* helm-bookmark.el (helm-bookmark-toggle-filename): Fix preselection.
* helm.el (helm-maybe-update-keymap): Make local helm map appear in first position (#466).
* helm.el (helm-maybe-update-keymap): No need to append the parent (#466).
* helm.el (helm-maybe-update-keymap): Revert previous commits (#466)