Task SW-534: change number of threads to 2 to allow stopping ongoing uploads

MAC/Services/TBB/TBBServer/lib/tbbservice.py

@@ -55,7 +55,7 @@ class TBBServiceMessageHandler(MessageHandlerInterface):
 
         # set/overwrite defaults
         kwargs['use_service_methods'] = True
-        kwargs['numthreads'] = 1
+        kwargs['numthreads'] = 2
 
         # init MessageHandlerInterface with supplied kwargs
         super(TBBServiceMessageHandler, self).__init__(**kwargs)