Add ability to merge 2 user accounts

tailbone/views/master.py

@@ -482,7 +482,11 @@ class MasterView(View):
         return result
 
     def merge_objects(self, removing, keeping):
-        raise NotImplementedError("please implement `{}.merge_objects()`".format(self.__class__.__name__))
+        """
+        Merge the two given objects.  You should probably override this;
+        default behavior is merely to delete the 'removing' object.
+        """
+        self.Session.delete(removing)
 
     ##############################
     # Core Stuff