* helm-bookmark.el (helm-filtered-bookmarks): Change order of sources.
fix typo (overridding -> overriding)
Merge pull request #458 from tekezo/fix-typo

fix typo (overridding -> overriding)
Merge branch 'master' of github.com:emacs-helm/helm
Fix setting of `helm-current-buffer' on startup (#456)
* helm.el (helm--current-buffer): New.
(helm-initial-setup): use it.
* helm-files.el (helm-ff-set-pattern): Fix expansion of abbreviated directory at point.
* helm-files.el (helm-files-save-file-name-history): Don't save wild-card expanded candidates.
Added source and preconfigured function for Wikipedia lookup with Wikipedia suggestions.
* helm-bookmark.el (helm-bookmark-run-delete): Fix y-or-n-p prompt.
Allow disabling marked candidates.
* helm.el (helm-mark-all, helm-toggle-visible-mark): Don't mark when nomark present in source.
* helm-command.el (helm-M-x): Disable marking
* helm-elisp.el: disable marking in lisp completion.
* helm-eshell.el: disable marking in eshell completion and history.
* helm-sys.el: disable marking in top.
* helm-mode.el (helm-comp-read, helm-read-file-name): new keyword nomark.
(helm--completion-in-region): use it.
* helm-help.el: Document nomark attr.
* helm.el (helm-update): (#463) Compute candidates in own loop, use helm--maybe-use-while-no-input. * helm-files.el (helm-source-find-files): No need now to delay. * helm-mode.el: same.
* helm.el (helm-update): Fix comments, the not flickering feature is now disabled.
* helm.el (helm-update): Add more comments.
* helm-files.el (helm-dired-action): Fix following.
Merge pull request #461 from nerton/wikipedia_lookup

Added Wikipedia lookup with suggestions from Wikipedia
* helm.el (helm--compute-sources): New.
(helm-process-delayed-sources, helm-update): use it.
* helm-net.el: Fix and simplify wikipedia suggestions.
* helm-net.el: declare json-read-from-string.
* helm-net.el (helm-wikipedia-parse-buffer): New.
(helm-wikipedia-suggest-fetch): Use it allow using curl to fetch data.
* helm-help.el: Document `helm-find-files' behavior (#464).