Merge pull request #77 from ogail/tests

Add Service Bus scenario tests
Credential Infrastructure
Merge branch '896' of https://github.com/ogail/azure-sdk-tools into scenarioInfrastructure
Fixes to WindowsAzurePowwerShellTest
Merge pull request #79 from ogail/896

Implementing New-AzureSBNamespace scenario tests
Merge pull request #78 from ogail/ut

Add Get-AzureSBNamespace unit tests
Fix for test run issue and review comments
Apply CR
Merge pull request #80 from ogail/897

Add rest of service bus scenario tests
FInal fixes
Merge pull request #81 from markcowl/scenarioInfrastructure

Scenario credential  infrastructure
Merge pull request #83 from ogail/897

897
Merge pull request #84 from ogail/896

896
Merge branch 'dev' into 806