QA: API updates for #5449

This will not be a release feature in 1.2.25.  Just adding the prototype API.  There is still some work to do:

1) Cloning Data Queries - Working
2) Cloning XML files and Scripts - Working
3) Cloning Graph Templates - Working
4) Cloning of Data Template - TBD
5) Cloning of Data Input Methods - TBD

Steps 4) and 5) will be completed posted 1.2.25 release.  The CLI script to Clone a Device Template will be withheld until such time as it is fully tested.