formatting sources (with formatR)


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/easyabc@341 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
code formatting


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/easyabc@342 edb9625f-4e0d-4859-8d74-9fd3b1da38cb