Merge branch 'sprint38' of https://github.com/wastoresh/azure-sdk-tools-xplat into sprint39
Support generating SAS for container, blob, table and queue
Merge branch 'tmp' into next
Merge branch 'rbac' of https://github.com/wastoresh/azure-sdk-tools-xplat-pr into next
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools-xplat into next
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools-xplat into next
Unit tests for sas and support live run for storage test cases
Minor code style modifications
Resolve comments of PR#1371
fix the code so not to invoke callback twice
simply the code
Merge pull request #1371 from wastoresh/next

Support creating SAS for Azure stoage services
Merge pull request #1373 from yugangw-msft/vmlistfailure

fix the code so not to invoke callback twice