update service management libraries and add SQL mgmt library. only adding reference to the SQL mgmt library to Common.Utilities.
Merge pull request #1911 from guangyang/dev

Adding media and SQL mgmt. libraries to the project
Merge branch 'dev' of https://github.com/WindowsAzure/azure-sdk-tools into azurert-sm-integration
- Change some test codes' usage of the old SM lib namespace to the new one: Microsoft.WindowsAzure.ServiceManagement => Microsoft.WindowsAzure.Commands.ServiceManagement.Model.PersistentVMModel

- Other fixes.