correction in Source so that it gives correct name to the entities

dream/simulation/Source.py

@@ -75,6 +75,7 @@ class EntityGenerator(object):
                 #print self.env.now, 'appending to the list'
                 self.victim.scheduledEntities.append(self.env.now)
                 self.victim.outputTrace(entity.name, "generated")       # output the trace
+                G.numberOfEntities+=1
             yield self.env.timeout(self.victim.calculateInterarrivalTime()) # wait until the next arrival
 
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