Stop keeping etc/refcards/emacsver.tex in the repository

* configure.ac (etc/refcards/emacsver.tex): Generate it.

* Makefile.in (etc-emacsver): New PHONY rule.
(bootstrap-clean): Delete etc/refcards/emacsver.tex.

* admin/admin.el (set-version): No need to update etc/refcards/emacsver.tex.
(set-copyright): Update etc/refcards/emacsver.tex.in.

* etc/refcards/emacsver.tex.in: Rename from emacsver.tex.

* .bzrignore: Add etc/refcards/emacsver.tex.
ChangeLog fix
* admin/admin.el: Comments.
Fix bug#18964

* lisp/vc/vc-dir.el (vc-dir-hide-state): Also hide `ignored' items when
no state is specified.
Further reduce the number of versioned files storing the version number

* configure.ac (doc/man/emacs.1): Generate it.

* Makefile.in (top_bootclean): Remove doc/man/emacs.1.

* make-dist: Do not distribute doc/man/emacs.1.

* admin/admin.el (set-version): No need to update doc/man/emacs.1.

* doc/man/emacs.1.in: Rename from emacs.1.

* .bzrignore: Add doc/man/emacs.1.
doc/misc/gnus.texi (Top): Add missing `HTML' menu.
(HTML): Fix xref to FAQ 4-16.