New WWW site template to have the full table-of-content in the sidebar


Former-commit-id: 56b0aeff60cc08368080d906e42db161e3489490
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
Merge branch 'p4a-own' into p4a


Former-commit-id: 94d4fdbd316577636be210ad027f7e3a5baafb09