Merge from origin/emacs-24

Merge from origin/emacs-24

a3505cb doc/lispref/variables.texi (Creating Buffer-Local): Improve indexing (Bug#19608)
d132c7b erc-backend.el: Give hook-name a default value of nil and add-to-list unconditionally. Fixes debbugs:19363
61cc7bf Fix support of non-ASCII frame titles on MS-Windows  (Bug#19590)
1e5902a * filenotify.el (file-notify--descriptor): Do not cons for remote files.
b1ea160 Handle watching of several files in the same directory for inotify.