Fix UpdateVMWithExtensionTest
Update diagnostics extension test
update UpdateVMWithNewStaticCATest
Fix AzureCertificateTest
Update AzureCertificate test
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools into dev

Conflicts:
	src/ServiceManagement/Compute/Commands.ServiceManagement.Test/FunctionalTests/FunctionalTestCommonVM.cs
	src/ServiceManagement/Compute/Commands.ServiceManagement.Test/FunctionalTests/ScenarioTest.cs
Fix the GetPackageByName, GetPackageBySlot & VM Update APIs
Update MAML to Fix GetPackageByName, GetPackageBySlot, & VM Update APIs
Merge pull request #113 from huangpf/fix

Fix VM Update
Update BgInfo exension test for availability set
Merge pull request #2705 from AzureRT/dev

Fix VM Update Cmdlet