kumo: Fix FTBFS with GCC 4.9.

https://gcc.gnu.org/gcc-4.9/porting_to.html
apache-frontend: fix double publication bug
powerdns: Introduce PowerDNS software release

powerdns: provide basic instanciation

powerdns: add monitoring, promise and reload

powerdns: add replication

power-dns: replication specific for powerdns

powerdns: fix parameter name

powerdns: provide input json schema for powerdns instance

powerdns: Publish current NS record

powerdns: introduce flexible configuration for countries/ geographical zones

powerdns: fix contry configuration list

powerdns: fix country map list

powerdns: add dynamic slave configuration

powerdns: remove recursor

powerdns: reduce log level
monitor: httpd conf template is now in a real file (and not declared inline anymore)

monitor: move httpd configuration template to jinja2
powerdns: improve monitor integration
monitor: Configurable and protected rewrite rule for local service
powerdns: monitor provide access to powerdns monitoring
monitor: fix httpd graceful
powerdns: freeze md5sum and version
Update slapos and erp5.util eggs
Merge remote-tracking branch 'origin/master' into erp5-cluster
cairo: Fix FTBFS with GCC 4.9.

https://bugs.freedesktop.org/show_bug.cgi?id=77060
xorg: New libXext upstream release fixing security issues (CVE-2013-1982).

This new release requires libX11 >= 1.6.0 so update libX11 as well.
apache: Do not use download mirrors, instead use ASF archives.

The URL becomes unavailable on mirrors as soon as a new version is released.
stunnel: New upstream release (5.02).

Anyhow, the tarball of the previous version was not available anymore.
libtiff: Apply security patches.
mariadb: Disable TokuDB until build issue with GCC 4.9 has been fixed.

https://mariadb.atlassian.net/browse/MDEV-6449
glibmm: glib-compile-schemas is required during the build.