v1.1.0-alpha.25: integrate backup operation with new scriptable task (#440)

* integrate backup operation with new scriptable task

v1.1.0-alpha.24: generic way to support scriptable operations (#438)

* implemented a generic way to support scriptable operations

v1.1.0-alpha.23: added support for more object scripting (#435)

* added support for more object scripting

* allow using script options in scripting

* added tests for scripting all objects

v1.1.0-alpha.22: Changes to add serialization as part of the features metadata (#434)

* Changes to add serialization as part of the features metadata

* Adding in an empty array as the optionsmetadata for serializationservice feature instead of null

v1.1.0-alpha.21: fixed the bugs with creating new restore plan (#433)

* fixed the bug with source db name not setting correctly when new plan created

v1.1.0-alpha.20

Change Integrated Auth to Windows Authentication (#432)

v1.1.0-alpha.19: fixed the issues with restore options (#431)

* fixed the issues with restore options connecting to server without db name

v1.1.0-alpha.18: Integrate generate script with task service (#426)

* Support generate script for backup

* change

* update task service data contract for Generate Script

* more changes

* update test

* add comments

* Add missing files

* update stub backup operation for testing

* pr comments

* remove empty space

* Fix tests

* Add unit/integration tests and isCancelable to TaskInfo

* address pr comments

* pr comments - fix tests

* fix minor issue

* fix minor issues

* remove unused variable

v1.1.0-alpha.17: supporting restore from db (#429)

* supporting restore from db

v1.1.0-alpha.16: fixing the restore tests (#428)

* fixing the restore tests and code coverage