[freeipa PR#1053][opened] test_external_ca: switch to python-cryptography

[Rezney]

   URL: https://github.com/freeipa/freeipa/pull/1053
Author: Rezney
 Title: #1053: test_external_ca: switch to python-cryptography
Action: opened

PR body:
"""
Switch external CA generation from certutil to python-cryptography
as this way of handling the certificates should be more readable,
maintainable and extendable (e.g. extensions handling).

Also as external CA is now a separate module we can import it and
use elsewhere.

E.g. add ca-less to ca-external-full...
"""

To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/1053/head:pr1053
git checkout pr1053