inotify: correctly report deletion of the watched directory
inotify: correctly report deletion of the watched directory

IN_DELETE_SELF is does not have the IN_ISDIR flag set (kernel issue?).
Have InotifyEvent.is_directory return True in this case.

ymero/watchdog,edevil/watchdog,javrasya/watchdog,javrasya/watchdog,teleyinex/watchdog,teleyinex/watchdog,edevil/watchdog,glorizen/watchdog,glorizen/watchdog,ymero/watchdog,teleyinex/watchdog,gorakhargosh/watchdog,edevil/watchdog,gorakhargosh/watchdog,glorizen/watchdog,mconstantin/watchdog,edevil/watchdog,edevil/watchdog,mconstantin/watchdog,mconstantin/watchdog,ymero/watchdog,javrasya/watchdog