Update requests to 2.14.2 (was 2.13.0) (#3762)

lib/README.md

lib/requests/__init__.py

lib/requests/adapters.py

lib/requests/api.py

lib/requests/auth.py

lib/requests/cacert.pem

lib/requests/compat.py

lib/requests/cookies.py

lib/requests/models.py

lib/requests/packages/README.rst

lib/requests/packages/chardet/__init__.py

lib/requests/packages/chardet/big5freq.py

lib/requests/packages/chardet/big5prober.py

lib/requests/packages/chardet/chardistribution.py

lib/requests/packages/chardet/charsetgroupprober.py

lib/requests/packages/chardet/charsetprober.py

lib/requests/packages/chardet/cli/__init__.py

lib/requests/packages/chardet/cli/chardetect.py

lib/requests/packages/chardet/codingstatemachine.py

lib/requests/packages/chardet/compat.py