erp5testnode: Develop cookbook is not required anymore

  The branch erp5testnode should not be a dependency for install a release.
version up : dbus 1.8.10.
version up eggs.
version up : gnome core libraries 3.14.2.
fix post-make-hook script for perl.
speclify mode=640 in template-jinja2-base.
version up : w3-validator 1.3.
version up : perl 5.20.1.
version up : MariaDB 10.0.15.
version up eggs.
cleanup versions.