[httpclient] connect to QNetworkReply::uploadProgress() immediately
[httpclient] connect to QNetworkReply::uploadProgress() immediately

Slot handleAuthenticationRequired() may not be called at all.
mkosola/crash-reporter,mkosola/crash-reporter,mer-qa/crash-reporter,mer-qa/crash-reporter,mer-qa/crash-reporter,mkosola/crash-reporter,mkosola/crash-reporter