Switching ansible to py-cryptodome

[coypu%sdf.org@localhost]

py-crypto is apparently unmaintained upstream. It's been forked as
py-cryptodome which should be a near drop-in replacement, except that
they cannot use the same name.
The packages also conflict, but we should resolve this the "hard" way of
switching over, IMO, as py-crypto has security concerns.

This patch converts over ansible to use py-cryptodome. I don't use
ansible. Can someone give it a spin? :-)

http://coypu.sdf.org/ansible-pycryptodome.diff