Patch provided by kkuehl, thanks

Use tor-browser -2 and build number bump

Changelog update and versions bump

The defaut timestamp value will use the commit time of the selected
commit for the project, which will require cloning the git repository if
it is not present. When we use the no_build_id target to display a script,
we usually don't care about such details, so we set timestamp to 0 to
avoid unnecessary cloning.

Versions bump and Changelog update

Versions bump and Changelog update

This reverts commit 1ea5f339. No need
anymore for this hack, we use the 52.5.2esr ones provided.

Changelog update to pick up new release date and newer NoScript version.

Versions bump and Changelog update

Furthermore we adapt the README and our ansible main.yml to take care of
removing File::Slurp from our build dependencies and replacing it with
Path::Tiny