Respond to a disco query the gateway jid itself

Fix the kick by correctly using the from and to attributes

Fix the CMakeLists.txt to correctly have -Ibuild/src/

The logging test is less ambiguous

Improve the test on jidprep

test.cfg file is now created by the test suite

Remove unused action_prefix_len variable

Little updates to the README and INSTALL files

Actually do the last commit, but completely this time

No more missing text when converting IRC colors to xhtml-im

fix #2496

s/optionnal/optional/

Document the systemd-daemon optional dependency

Add support for systemd-daemon

Call on_connection_failed() when the connection fails to be established

Remove a useless debug log line

Document the new dummy channel, and how biboumi creates and closes connections

Fix a wrong description of how addressing works in biboumi

Add an explanatory topic on the dummy channel

Joining the dummy channel connects to the irc server

Do not disconnect from the IRC server if the dummy channel is joined