I updated some websites and services for the 3.5.4 release:
* Status of Python branches in the devguide:
https://devguide.python.org/#status-of-python-branches
* Python security vulnerabilities:
http://python-security.readthedocs.io/vulnerabilities.html
* I removed all Python 3.5 buildbots:
On behalf of the Python development community and the Python 3.5 release
team, I'm pleased to announce the availability of Python 3.5.4.
Python 3.5.4 is the final 3.5 release in "bug fix" mode. The Python
3.5 branch has now transitioned into "security fixes mode"; all future
improvements i
