Merge pull request #77 from huangpf/dev

Static CA Warning Messages & Sync with WindowsAzure
Merge pull request #78 from huangpf/dev

Fix AutoMapper mapping between 'RoleSizeLabel' and 'Label'.
Improve the test for WinRMUri test.
Update Vnet functional test
Update test for Save-AzureVMImage
Test update for Get-AzureRoleSize and make VM size string.
Fix VM size test for A5 size
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into azurert