Help book: do not include minor version in Help Book name
Consistency across Info.plist entry, Lisp-level manual name (aquamacs-help-book-name)
and AppleTitle tag in files

Conflicts:
	aquamacs/doc/latex/Makefile
Help Book: fix indexing
Newer version of Help Indexer require
XML, so use "tidy" to convert HTML to XHTML.
Conflicts:
	aquamacs/doc/README.txt
	aquamacs/doc/latex/Makefile