* helm-buffers.el (helm-buffer-match-major-mode): Use mode-name here too (#452).
* helm.el (helm-process-delayed-sources): Fix preselection.
* helm.el (helm-idle-delay, helm-input-idle-delay): Change default values, allow using a smaller value down to 0.001.
* helm.el (helm-internal): Enable and disable tramp-read-password from here.
(tramp-read-password): Suspend timeout to fix volatile prompt.
* helm.el (tramp-read-passwd, helm--advice-tramp-read-passwd): Reenable timeout when done.
* helm-imenu.el: bind candidate-number-limit.
* helm-semantic.el: same.