Normation/rudder-packages — pull request #320 by nperron (2014-05-20 13:49:26+00:00)
Title: Fixes #4872 - Add exclusion for ignore_interfaces.st if already existing during rudder-upgrade

Fixes #4872 - Add exclusion for ignore_interfaces.st if already existing during rudder-upgrade

cf http://www.rudder-project.org/redmine/issues/4872