* helm-regexp.el (helm-occur-init-source): Set name attr here.
* helm-info.el (helm-info-default-sources): Add eieio source.
* helm-files.el (helm-find-files): Clean.
(helm-find-files-initial-input): Same.
* helm-buffers.el (helm-buffers-persistent-kill): Delay updating in the after action hook.
* helm-elisp.el (helm-info-lookup-symbol): New action for helm-apropos.
* helm.el (helm-read-pattern-maybe): Don't force update when no candidates and helm-quit-if-no-candidate is non--nil.