Begin work on Publishing Styles section of manual.

Begin work on Publishing Styles section of manual.

* Makefile (.PHONY): Add "doc" to list.
  (doc): New rule that generates Info and HTML files from muse.texi.
  (dist): Rely on `distclean', not `clean'.

* examples/QuickStart (Authoring mode): Remove empty section.

* muse.texi: Call this program "the Emacs Muse" in title.
  (Publishing Styles): Begin to populate section.
  (Deriving Styles): First subsection of Publishing Styles.
  (Contributors): Remove spurious copyright section, since we address
  this in the title.

* README: Actually remember to add this file.
git-archimport-id: mwolson@gnu.org--2005/muse--main--1.0--patch-61