Fixes #4635: possible race condition in rudder-init.sh
Merge pull request #269 from ncharles/bug_4635/int/possible_race_condition_in_rudder_server_root_init

Fixes #4635: possible race condition in rudder-init.sh
merging 2.6 into 2.8
Merge branch 'branches/rudder/2.8' into branches/rudder/2.9