Trying new Visual Studio 2012 project.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rhugin@354 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Added Release project.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rhugin@355 edb9625f-4e0d-4859-8d74-9fd3b1da38cb