Fix RDP extension tests: Registering COM libraries for RDPTest.exe
Change ScenarioTest.cs back to the previous version (mistakenly pushed), and also update project file.
This is temporary change, because of a hard-coded storage account.
change default storage account for temporary testing
Fix functional and save-azurevhd tests:

- Now, the test copies a vhd from a default blob to a test blob storage for testing.
Fix the method for generating Guid name, since VM name should be between 3 and 15 characters.
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into dev

Conflicts:
	WindowsAzurePowershell/src/Management.ServiceManagement.Test/FunctionalTests/CredentialHelper.cs
	WindowsAzurePowershell/src/Management.ServiceManagement.Test/FunctionalTests/ServiceManagementTest.cs
Move strings to the parent class.
Merge pull request #17 from hyonholee/dev

Fix tests