Fixes #4020 - Fix wrong path of migration script installation
Merge pull request #150 from nperron/bug_4020/int/fix_wrong_path_of_migration_script

Fixes #4020 - Fix wrong path of migration script installation
Fixes #4026 - Move the configuration file /etc/logrotate.d/rudder-server-root to /etc/logrotate.d/rudder in Debian way
Merge pull request #152 from nperron/bug_4026/int/fix_duplicate_of_conffile_of_logrotate

Fixes #4026 - Move the configuration file /etc/logrotate.d/rudder-server-root to /etc/logrotate.d/rudder in Debian way
Merge branch 'branches/rudder/2.4' into branches/rudder/2.6
Merge branch 'branches/rudder/2.6' into branches/rudder/2.7