fix extension image cmdlets
update fix
Merge branch 'release-0.8.5' of https://github.com/Azure/azure-sdk-tools into dev
Merge pull request #115 from huangpf/dev

Fix Extension Image Cmdlet
Fix Update-AzureVMImage cmdlet for -ShowInGui
Add version parameter to service extension powershell cmdlets.
Update mandatory for version.
Merge pull request #116 from hyonholee/dev

Add version parameter to service extension powershell cmdlets.
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools into dev

Conflicts:
	src/ServiceManagement/Compute/Commands.ServiceManagement.Test/FunctionalTests/Utilities.cs
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into dev

Conflicts:
	src/ServiceManagement/Compute/Commands.ServiceManagement/Extensions/MicrosoftAntimalware/RemoveAzureServiceAntimalwareExtension.cs
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools into dev
Adding test cases for VM Image Update ,ILB , Reserved Ip ,Public IP
help text for Set-AzureVMCustomScriptExtension
Change help message for the DontShowInGui param.
Throw warning instead of error when there is conflict in creating service in the New-AzureVM cmdlet
Merge pull request #117 from v-didara/dev

Adding test cases for VM Image Update ,ILB , Reserved Ip ,Public IP
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into dev

Conflicts:
	src/ServiceManagement/Compute/Commands.ServiceManagement.Test/FunctionalTests/Utilities.cs
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools into dev
Update the test for Update-AzureVMImage cmdlet
Merge pull request #118 from huangpf/dev

AzureRT PR Sprint 36