Added NuGetGallery.Backend.Cloud to master build file
Added NuGetGallery.Backend.Cloud to master build file

ScottShingler/NuGetGallery,ScottShingler/NuGetGallery,mtian/SiteExtensionGallery,grenade/NuGetGallery_download-count-patch,JetBrains/ReSharperGallery,mtian/SiteExtensionGallery,projectkudu/SiteExtensionGallery,skbkontur/NuGetGallery,mtian/SiteExtensionGallery,ScottShingler/NuGetGallery,grenade/NuGetGallery_download-count-patch,projectkudu/SiteExtensionGallery,skbkontur/NuGetGallery,projectkudu/SiteExtensionGallery,grenade/NuGetGallery_download-count-patch,JetBrains/ReSharperGallery,JetBrains/ReSharperGallery,skbkontur/NuGetGallery