Cleaned up some syntax anomolies because of the switch to
asciidoctor. Minor text tweaks to improve PDF pagination. Reduced HTML
master font size to 80% for better web rendering.
Removed references to KVASD from User Guide.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6142 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
