* helm.el: New functions to move line and execute persistent action.
(helm-follow-action-backward,
helm-follow-action-forward,
helm--follow-action): New.
* helm.el (helm--temp-follow-flag): New internal flag to signal a follow action.
* helm-files.el (helm-find-files-persistent-action): Use it.
Reindent all files.
* helm-help.el: Document helm-ff for C- down and left.
* helm-grep.el (helm-grep--filter-candidate-1): Set helm-realvalue property for wgrep (#480).
* helm-grep.el: Revert previous commit, fixed instead on wgrep-helm.el (#480).
* helm-files.el (helm-ff-checksum): Complete on algos before computing.
* helm-regexp.el: Fix helm-m-occur prefixes to helm-moccur.
* helm-help.el: Same.
Add keymap and help to imenu and semantic.
* helm-config.el:
* helm-help.el:
* helm-imenu.el:
* helm-semantic.el:
* helm.el (helm--follow-action): Don't go to next/previous line when previous action is not a follow action.
* helm-utils.el (helm-insert-in-minibuffer): Removed.
* helm-dabbrev.el (helm-dabbrev--regexp): Add a new separator (#481).
* helm-dabbrev.el: Fix previous commit, simplify (#481).
Fix typo -- "unknow".
Merge pull request #482 from emacs-helm/pr-lw-fix-typo

Fix typo -- "unknow".
* doc/Home.mdpp: Update pcomplete-extension url.
* helm-net.el (helm-surfraw-duckduckgo-url): quote query.
* helm-net.el (helm-surfraw-duckduckgo-url): Finally don't quote pattern but url-hexify-string's it in helm-surfraw.
(helm-surfraw): do it.
* helm-bookmark.el (helm-bookmark-get-bookmark-from-name): Don't check for assoc on else form.
* helm-bookmark.el (helm-bookmark-edit-bookmark): Fix edition of mu4e bookmarks.