Merged from mwolson@gnu.org--2006 (patch 55-63)

Merged from mwolson@gnu.org--2006 (patch 55-63)

Patches applied:

 * mwolson@gnu.org--2006/muse--main--1.0--patch-55
   Add backlink support, thanks to Jim Ottaway.

 * mwolson@gnu.org--2006/muse--main--1.0--patch-56
   Make nested definition list items work much better.

 * mwolson@gnu.org--2006/muse--main--1.0--patch-57
   Slightly improve flyspell integration.

 * mwolson@gnu.org--2006/muse--main--1.0--patch-58
   Make C-> and C-< keybindings not indent nested items.

 * mwolson@gnu.org--2006/muse--main--1.0--patch-59
   Fix output for consecutive list items of same type.

 * mwolson@gnu.org--2006/muse--main--1.0--patch-60
   Update Muse XML schema.

 * mwolson@gnu.org--2006/muse--main--1.0--patch-61
   Add COPYING file; update headers.

 * mwolson@gnu.org--2006/muse--main--1.0--patch-62
   Fix publishing error with multi-line wrapped list items.

 * mwolson@gnu.org--2006/muse--main--1.0--patch-63
   muse-latex: Add footnotes to links so that they show up on printed copies.
git-archimport-id: mwolson@gnu.org--2006-muse-el/muse-el--devel--0--patch-22