The “build” badge links to a more useful URL

Update the DockerFiles to include openssl

Update the doc to avoid using “” or "" and other chars

CI: Use our own registry for docker images

Send iq error/result when the user changed a MODE command  with an iq

And add tests for all the mode changes

Use the codecov badge instead of the gitlab coverage one

[skip-ci]

Test the TLS connection

Introduce a XmlSubNode class that automatically adds itself into its parent

e2e: test connection failure

Include the <text/> element in stanza error when there IS a text

Switch back to using std::cout instead of std::clog

Remove the useless nullptr argument for the XmlNode constructor

Send a presence error from the room, when receiving command ERR_BADCHANNELKEY

fix #2886

Include the optional <text/> node in the send_presence_error

Remove a line from a WIP that should not have been added

Do not send an “not-implemented” error when receiving an iq error

Auto accept presence subscription

ci: make it two uploads and flag them (e2e, and test_suite)

ci: upload our own total_coverage.info to codecov

Is a lot faster, and is more consistent

Run codecov upload from the root directory