fix IP address verification
network config: allow empty IP address/netmask

bump version to 2.3-13
pve-manager: Improved french translation

Original patch from Damien PIQUET <piqudam@gmail.com>.

I have done "msgmerge -s -v fr.po messages.pot" before applying the
patch (to keep the message ordering correct).
bump version to 3.0-1

remove perl-suid dependency
depend on libhttp-daemon-perl

Http::Daemon moved into this package on wheezy
disable verify_hostname with LWP

This was the default for libwww-perl-5.837 and earlier releases.
add comment about why we do not use the CA file
mark service vz optional in pve-manager init script

We do not depend on vzctl, so this is needed to avoid errors on install.
pvebanner: overwrite /etc/issue instead of printing to stdout

That way be get the pve banner for all spanned getty.

We also create /etc/lsb-base-logging.sh and set FANCYTTY=0, because this
work better wit bootlogd (no control characters in /var/log/boot.
bump version to 3.0-3
depend on postfix or mail-transport-agent

To fix a lintian warning.
use C-wrapper for setgid perl script

Because perl-suid does not exist on wheezy.
cleanup C wrapper
setup /etc/lsb-base-logging.sh in postinst
add bootlog

we use boodlogd on wheezy
bump version to 3.0-4
avoid warning about undefined value
bump version to 3.0-5
add simply perf test using 'ab'
add performance test using Net::SSLeay