Document EWW.

* doc/emacs/emacs.texi: Add EWW.
* doc/emacs/misc.texi (EWW): Document EWW.
* doc/misc/Makefile.in: Add eww.texi.
* doc/misc/eww.texi: New file.
Document `shr-insert-document'.

* doc/lispref/text.texi (Parsing HTML/XML): Document
`shr-insert-document'.
Document `dired-hide-details-mode'.

* doc/emacs/dired.texi (Misc Dired Features): Document
`dired-hide-details-mode', `dired-hide-details-hide-symlink-targets',
and `dired-hide-details-hide-information-lines'.
Make etc/FTP and etc/ORDERS obsolete

* etc/FTP: Mark as obsolete.

* etc/ORDERS: Replace contents with pointer to emacs.info, mark obsolete.

* doc/emacs/emacs.texi (Distrib): Add donate URL.  Add anchor.

* lisp/help.el (view-order-manuals): Open emacs.info rather than ORDERS.
* etc/MAILINGLISTS: Remove the more extremely obsolete parts
If running uninstalled, always put our own info files first

* lisp/info.el (info-initialize): If running uninstalled, ensure our
own info files are always found first, even if INFOPATH is set.
Spelling fixes.

* mail/unrmail.el (unrmail-mbox-format): Choice is mboxo, not mboxro.
* woman.el (woman-mark-horizontal-position):
Rename from woman-mark-horizonal-position.  Use changed.
Tweak previous info.el change
Add right-char and left-char to Follow Mode cached commands.

 lisp/follow.el (follow-cache-command-list): Include right-char and
 left-char.
* progmodes/octave.el (octave-mode-menu): Don't assume eldoc is loaded.
Add some notes on git-bzr; nfc.

* admin/notes/bzr (Using git-bzr): New section.
Update Eli Zaretskii's entry in authors.el.

 lisp/emacs-lisp/authors.el (authors-fixed-entries): Update my entry.
Document `subr-x' functions.

* doc/lispref/hash.texi (Hash Tables): Add cindex entry for `subr-x'
functions.
* doc/lispref/strings.texi (Creating Strings, Text Comparison):
Document functions from `subr-x'.