sync with https://github.com/jverzani/gWidgetsWWW2/tree/r-forge

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/gwidgets@479 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
sync with https://github.com/jverzani/gWidgetsWWW2/tree/r-forge

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/gwidgets@480 edb9625f-4e0d-4859-8d74-9fd3b1da38cb