Fix doc
https://discovery.gitlabpages.inria.fr/enoslib/index.html is somewhat broken because of an update to the Sphinx style we use.
Shorten pages title to fix that.
Also update authors and copyright
https://discovery.gitlabpages.inria.fr/enoslib/index.html is somewhat broken because of an update to the Sphinx style we use.
Shorten pages title to fix that.
Also update authors and copyright