Use the python-pyOpenSSL package openSUSE

Recent pyOpenSSL releases when installed from pip depend on
cryptography>=0.2.1, which itself depends on cffi>=0.8. That is conflicting
with the python-cffi (0.7.2) package on openSUSE-13.1 which is required by the
installed python-xattr.

Change-Id: I721ce5288d150a3b01fb2558f7ca86028d734138
Merge "Use the python-pyOpenSSL package openSUSE"