archive upgrade: make sure xivo-upgrade is in the right version

reason: the admin may have run xivo-upgrade before, and cancelled the
upgrade when he saw the prompt to upgrade to the latest version.
archive upgrade: use apt-pinning for 13.25+
archive upgrade: simplify procedures

reason: apt-pinning is a better way to circumvent the bug #5087
Merge branch 'upgrade-archive-after-cancelled-upgrade'
update xivo-confd "network" configuration

Port 9486 is only accessible via HTTPS and port 9487 only via HTTP.
add xivo-dird and xivo-amid in network page