sync with git

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/gwidgets@477 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Second step in syncing with github https://github.com/jverzani/gWidgetsWWW2


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/gwidgets@478 edb9625f-4e0d-4859-8d74-9fd3b1da38cb