Add a archlinux-armv7l build

ci: remove some useless template, directly define the jobs

Rename a few CI things to a useful names

Only support gcc >= 5.0 from now on

Restore the is_one_of variable template

Merge tag '7.2'

Release version 7.2

Merge branch '3332-version-7-x-should-work-with-gcc-4-9-as-stated-in-install-file' into 'v7'

Compile with gcc 4.9

See merge request louiz/biboumi!22

Remove a variable template usage

Because it’s only supported in gcc>=5.0

Merge tag '7.1'

Release version 7.1

Fix a crash happening when a user cancels a non-existing ad-hoc session

By the way, start version 8.0

Remove the now useless .codecov.yml file

xep-0106 escape the JIDs listed in a disco#items server query

fix #3325

Release version 7.0

By the way, we were on version 7.0~dev

Use our botan gh#1276 workaround only for botan < 2.4

fix #3320

Clarify a few things about the dependencies

Add a DEBUG_SQL_QUERIES to log info about the executed SQL queries

fix #3324