CATS-521 Added GiftCertificate Controller Test
CATS-591 Refactored Stock Status Controller
Merge branch 'master' of https://github.com/EdgeComputing/cats-hub-module

Conflicts:
	Domain/DRMFSS.BLL.Service/HubService.cs
	Domain/DRMFSS.BLL.Service/Interfaces/IHubService.cs
Merge branch 'master' of https://github.com/EdgeComputing/cats-hub-module