* switch to ambient props and targets files
* build against Microsoft.Data.SqlClient
* build tests
* fix test bug
* temporarily add SMO nuget to the repo
* update to released Microsoft.Data package
* Fix cancelMultipleBackup test failure
Please enter the commit message for your changes. Lines starting
* Add semaphore to backup stub operation
* remove spaces
* Allow multiple backups per backup service instance
* Add test to run multiple backups
* Update backup cancelTask method signature
* Fix to have multiple backup instances and add more tests
* Address PR comments
* Remove double new lines
* Add Azure check for backup operations