Fix Bug#22814

Fix Bug#22814

* lisp/autorevert.el (global-auto-revert-mode): Do not set
`auto-revert-use-notify' to nil.

* etc/NEWS: Mention this.

* etc/PROBLEMS: Remove problem Bug#22814.

* src/kqueue.c: Include <sys/resource.h>.
(Fkqueue_add_watch): Limit the number of used file descriptors.
(Bug#22814)

* test/lisp/filenotify-tests.el (file-notify--test-remote-enabled)
(file-notify-test00-availability, file-notify-test01-add-watch)
(file-notify-test02-events, file-notify-test06-many-events):
Use #' read syntax for functions.
(file-notify-test05-dir-validity)
(file-notify-test06-many-events): Simplify directory creation.
(file-notify-test09-sufficient-ressources): New test.