Remove execute-extended-command from helm-completing-read-handlers-alist.
* helm-mode.el (helm-completing-read-symbols): Revert to no history.
* emacs-helm.sh: Bind M-x to helm-M-x.
Merge branch 'master' of github.com:emacs-helm/helm
* helm-mode.el: Allow exiting when predicate return non--nil (#707).
i.e exit when predicate returns non--nil even if must-match is t.
(helm-read-file-name,
helm-comp-read): Bind `minibuffer-completion-predicate'.
* helm.el (helm-confirm-and-exit-minibuffer): Test with `minibuffer-completion-predicate'.