Fixed retistructdemos license

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/retistruct@1332 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Added demo index

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/retistruct@1333 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Updated License and bumped version

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/retistruct@1334 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Updated revision information

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/retistruct@1335 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Added final call to retistruct() to force dowloading RGtk2

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/retistruct@1336 edb9625f-4e0d-4859-8d74-9fd3b1da38cb