Puppet 3.4 has been release the 19th December 2013 and is the latest
stable release.
This patch aims to add a new step in gate testing with the goal to
ensure that OpenStack module work with Puppet 3.4.
Change-Id: I2c74b7f23f5cf0973f2afd0629b5de63dd4c69c4
Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>