Move the paper over to a JSS subdirectory so we can better improve the
presentation and organization aspects in the JSS style.  It's over 20
pages now.



git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rprotobuf@727 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Add Makefile to build the JSS paper.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rprotobuf@728 edb9625f-4e0d-4859-8d74-9fd3b1da38cb