* Makefile: made the list of manpages a variable

    * Makefile: made the list of manpages a variable
        * admin.texinfo: took out second inclusion of copyright notice,
        changed some section names, updated initial synopsis of file,
        added explanation of encryption types and the [login] section of
        krb5.conf, added documentation on various tags in the configuration
        files, added some more examples, fixed some typos, updated usage
        statements for various kadmin and kdb5_util commands, updated the
        sample output from the commands, updated the infotex for use with
        makeinfo --html, added a section about getting shared-realm keys,
        updated the error codes
        * build.texinfo: added a section describing the structure of the
        source code tree, updated documentation of options to configure
        script, added information about defaults for various variable
        settings, updated information about shared library support,
        added discussion of valid kerberos principals
        * definitions.texinfo: added some new default variables,
        corrected some pathnames of default values
        * dnssrv.texinfo: made the information about default port numbers
        reference a variable
        * glossary.texinfo: updated definition of principal
        * install.texinfo: fixed typos and formatting errors, removed old
        sample config files from appendix (samples are in the sections about
        the config files), added information about supporting RC4 keys
        * kadm5.acl: new file.  describes the kadm5.acl file.  included by
        both admin.texinfo and install.texinfo.  text is made up mostly of
        text that was split between those two documents.  documentation
        of backreferences was added
        * kdcconf.texinfo: made defaults reference variables
        * krb425.texinfo: deleted second inclusion of copyright info,
        made defaults reference variable, fixed typos, took out redundant
        part about editing inetd.conf and replaced it with reference to
        install guide
        * krb5conf.texinfo: documented the "final variable" feature,
        added mention of the [login] section,
        * send-pr.texinfo: minor change in wording for clarity
        * user-guide.texinfo: made various minor wording changes, updated
        some of the sample output, updated documention of command options

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@14891 dc483132-0cff-0310-8789-dd5450dbe970