Xpra: Ticket #2282: paramiko should honour ssh config IdentityFile

Following up #1937

We should honour settings like these:

Host somehost
    Hostname example.com
    User root
    PreferredAuthentications publickey
    IdentityFile /home/test/.ssh/special_key_rsa


Tue, 23 Apr 2019 06:29:17 GMT - Antoine Martin: status changed; resolution set

Done in r22511.


Mon, 27 Jan 2020 17:14:27 GMT - Antoine Martin:

See also #2567.


Sat, 23 Jan 2021 05:47:03 GMT - migration script:

this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/2282