* contrib/lisp/org-wikinodes.el: New file.
* lisp/org-exp.el (org-export-preprocess-after-radio-targets-hook):
(org-export-define-heading-targets-headline-hook): New hooks.
* lisp/org.el (org-modules): Add entry for org-wikinodes.el.
(org-font-lock-set-keywords-hook): New hook.
(org-open-at-point-functions): New hook.
(org-find-exact-headling-in-buffer):
(org-find-exact-heading-in-directory): New functions.
(org-mode-flyspell-verify): Better cursor position for checking if
flyspell should ignore a word.