org.el (org-adaptive-fill-function): DTRT in `message-mode'

* org.el (org-adaptive-fill-function): DTRT in `message-mode'.

This is too hackish, but do the job for now.  Instead of
having exceptions for `message-mode' filling wrapped into
org-*-fill* functions, we should let orgstruct++-mode do
this job.
Merge branch 'maint'

Conflicts:
	lisp/org.el
Backport revno#111138 from the emacs-24 branch

 * org.texi (Advanced features): Add missing argument for @item.
(Property searches): Use @backslashchar{} in macro argument.
Merge branch 'maint'
Revert "Backport revno#111138 from the emacs-24 branch"

This reverts commit 7fe67bb942869d3657f2905202dc4170b14662fd.

Thanks to Takaaki ISHIKAWA for reporting this.
Also see http://mid.gmane.org/fkobh39l4z.fsf%40fencepost.gnu.org
Merge branch 'maint'
org.texi (TODO basics): Fix description of TODO keywords cycling

* org.texi (TODO basics): Add `org-use-fast-todo-selection' to
the variable index.
(TODO basics): Fix description of TODO keywords cycling.

Thanks to Brian van den Broek for reporting this.
Merge branch 'maint'