CRM-15113 don't redirect if rgid is not filled in  - otherwise you wind up at an unfiltered dedupe calculation screen
CRM-15113 - adding a refresh where the redirect would otherwise be causes the user to wind up back on the search page and to get the alert
Merge pull request #3837 from eileenmcnaughton/CRM-15113

CRM-15113 don't redirect to server killing screen after marking dedupe