bad data.
2. Fix a bug that could allow a Koetter-Vardy false decode instead of
a valid Berlekamp-Massey decode, sometimes leading to program crash.
3. Many more edits in the User's Guide, *.adoc files.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3664 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
