Added functions unusedKeys and adoptArgv

Speeding up selection for large MSs

Task #3877: Merged release branch changes into trunk, possibly creating issues for r22927 and r22978 and others

	      Removed beamlets from Beam
              Added Remove from Default button to defaultTemplate window and allowed multiple selection to be able to remove Default templates in one go
	      

- use default return value of 123456
- log with this 'error' code

Task #3877: Fixed a recently introduced bug (r22810) in vdsmaker master recipe. You cannot delete items from the vdsnames list by job index, because deleting items changes the position of the remaining items and the length of the list.

Task #2699: Fixed a recently introduced bug in vdsmaker. You cannot delete items from the vdsnames list by job index, because deleting items changes the posiition of the remaining items and the length of the list (causing a IndexError).