Move par4all to a Par4All organization on GitHub


Former-commit-id: cd1b78827886b705fcb989a68026920b5f283fb4
Move www.par4all.org as the GitHub Pages site


Former-commit-id: f9199b236b8c6777f8f86d357254166483c2f6b6
Publish new Par4All WWW site version


Former-commit-id: 0b730b714b7ca03da716559df4c79bc0b0ea06cd