Fixes #3858 - Add possibility to set SUID and SGID for Download a file from a shared folder
Refs #3858 - Reindent and add more informations
Merge pull request #174 from nperron/ust_3115/dev/3858_add_suid_sgid_to_downloaded_files_bis

Fixes #3858 - Add possibility to set SUID and SGID for Download a file from a shared folder
Merge branch 'branches/rudder/2.4' into branches/rudder/2.6