message: updated version numbers, logo fix
diff: @@ -20,8 +20,7 @@ on the compiler and linker.
  %
  \begin{itemize}
  \item Linux (Debian, Ubuntu, Red Hat)
  -\item Mac OS X (10.10 ``Yosemite,'' 10.9 ``Mavericks,'' 10.8
  - ``Mountain Lion,'' 10.7 ``Lion,'' and 10.6 ``Snow Leopard'')
  +\item Mac OS X (from 10.6 ``Snow Leopard'' through 10.14 ``Mojave'')
  \item Windows (XP, 7, 8).
  \end{itemize}
  %
  @@ -99,7 +98,7 @@ Library.
  \begin{itemize}
  \item Home: \url{http://www.boost.org/users/license.html}
  \item License: Boost Software License
  -\item Tested Version: 1.58.0
  +\item Tested Version: 1.69.0
  \end{itemize}
  %
  The Boost source code is distributed with \CmdStan.
  @@ -113,7 +112,7 @@ algebra library.
  \begin{itemize}
  \item Home: \url{http://eigen.tuxfamily.org}
  \item License: Mozilla Public License, version 2.0
  -\item Tested Version: 3.2.4
  +\item Tested Version: 3.3.3
  \end{itemize}
  %
  The Eigen source code is distributed with \CmdStan.
  @@ -680,7 +679,7 @@ Home: \url{http://code.google.com/p/googletest/}
  \item
  License: BSD
  \item
  -Tested Version(s): 1.7.0
  +Tested Version(s): 1.8.1
  \end{itemize}
  %
  The Google Test framework is distributed with Stan.
  