Added more connection timeout logic to GetPackage
Added more connection timeout logic to GetPackage

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