Fixes #3747 - Move on the begining of the script the initialization of variables which determine if CFEngine promises already exist
Merge pull request #83 from nperron/bug_3747/int/fix_unset_variable_in_rudder-init_sh_bis

Fixes #3747 - Move on the begining of the script the initialization of variables which determine if CFEngine promises already exist
Merge branch 'branches/rudder/2.4' into branches/rudder/2.5