Add org-headings.
Fix issues in helm-org. get rid of use of -flatten.
* helm-locate.el: Enable fuzzy in locate.
Merge branch 'master' into exp
Fix small errors in org headings.

* helm-org.el: Remove old org-headlines code.
(helm-org-agenda-files-headings): Use org-agenda-files the function.
(helm-source-org-headings-for-files): Use cl-defun for optional args.
(helm-org-in-buffer-headings): replace org-headlines.
Merge branch 'IvanMalison-helm-org-headings' into exp
* helm-plugin.el: Remove headlines plugin now unused.
Merge branch 'master' into exp
* helm-org.el (helm-documentation): Fix, use helm-documentation-filecache.
* helm-locate.el (helm-locate-pattern-transformer): Fix, use pattern arg.
Merge branch 'master' into exp
Merge branch 'master' into exp
Merge branch 'master' into exp
Allow browsing non-vc project recursively.

* helm-files.el (helm-browse-project-find-files): New recursive fn.
(helm--browse-project-cache): internal var.

* helm-utils.el: Add ".gvfs" to `helm-walk-ignore-directories'.
* helm-files.el (helm-browse-project): Update docstring.