Ref T149, use URL log to log network access in threaded reader classes

* added getFromNetworkAndLog
* adjusted DB reader
* adjusted other readers

src/blackcore/db/databasereader.cpp

@@ -592,6 +592,7 @@ namespace BlackCore
             Q_ASSERT_X(nwReply, Q_FUNC_INFO, "Missing network reply");
             if (nwReply && nwReply->isFinished())
             {
+                this->logNetworkReplyReceived(nwReply);
                 this->setReplyStatus(nwReply->error(), nwReply->errorString());
             }
         }