[boost] Compliance with Boost copyright and license guidelines

What is the minimum Python version that has to be supported? Python 2.7?

Python 2 is almost EOL. As this is a dev-tool primarily targeted at library developers, there should be no reason to maintain Python 2 support. Python 3 is even older than c++11 which is IIRC required by b2. Is there a list somewhere, which files don't require a license header (e.g. .gitignore) Best Mike