Implement Python 2.7 support
Move most Python 2/3 compatibility logic into new compat.py
Fix SSL verify_mode monkey-patching on Python 2.7
Implement compatibility layer exposing pyOpenSSL as a Py3.3 ssl-like API
Implement draft 10 of the http2 spec, modulo meta-protocol concerns like TLS parameters
Implement new TLS options mandated by h2-10, including SNI support in ssl_compat