Allow creating a Context with SSLv2_METHOD
Drop ages-old Ubuntu packaging
Merge pull request #49 from smurfix/oldubuntu

Drop ages-old Debian and Ubuntu packaging.
Merge pull request #40 from andrew-d/andrew-support-sslv2

Allow creating a Context with SSLv2_METHOD, a feature which was accidentally dropped in the Python port.
Merge branch 'master' of https://github.com/pyca/pyopenssl