Adds SSL context for Python 2.7.9+
Adds SSL context for Python 2.7.9+

Adds the ability to set the SSL context inside the login method. This is
compliant with PEP 476 and pyVmomi 6.0.0. By catching a ssl.SSLError
exception, it will attempt to create an unverified connection before
re-raising the exception.

mdechiaro/vctools,mdechiaro/vctools