[*] BO: updating option descriptions for AdminReferrers.
[*] BO: updating option labels et descriptions for AdminWarehouses.
[*] BO: updating option labels et descriptions for AdminStockManagement.
[*] BO: updating option labels et descriptions for AdminStockCover.
Merge pull request #1196 from xBorderie/patch-3

[*] BO: updating option descriptions for AdminReferrers.