Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools into dev
Merge pull request #138 from huangpf/dev

Fix Issue #2927
Fixed -InstanceSize parameter allowed values
Merge pull request #139 from singhkay/dev

Fixed -InstanceSize parameter allowed values
Update sas uri tests to address the PR comments.
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into dev