Rollback des formats Designer et Connect/5/en

Five new parameters are available now in the mapping.conf :

1. [VERSIONING_TOGGLE]: Activate the rollback features.
2. [FORMAT_REPOSITORY_DIR_FULLPATH]: give the path of the folder containing all the different versions.
3. [VERSIONING_LIMIT_DURATION]: Gives the retention period of the formats (in days). The versions older than this values will be deleted during the next importation.
4. [VERSIONING_QUOTA_PER_PROJECT]: Gives the number of versions maximum per project.
5. [VERSIONING_QUOTA_GLOBAL]: Gives the maximum number of version all projects included.