message: rename variable to a more appropriate name
diff: namespace {
  -const QString kEmail = QStringLiteral("https://github.com/Murmele/Gittyup/issues");
  +const QString kIssueTracker = QStringLiteral("https://github.com/Murmele/Gittyup/issues");
  const QString kUrl =
  "https://stackoverflow.com/questions/tagged/gittyup?sort=frequent";
  @@ -88,7 +88,7 @@ AboutDialog::AboutDialog(QWidget *parent)
  QString revision = GITTYUP_BUILD_REVISION;
  QDateTime dateTime = QDateTime::fromString(GITTYUP_BUILD_DATE, Qt::ISODate);
  QString date = dateTime.date().toString(QLocale().dateFormat(QLocale::LongFormat));
  - QString text = kTextFmt.arg(name, version, date, revision, kUrl, kEmail);
  + QString text = kTextFmt.arg(name, version, date, revision, kUrl, kIssueTracker);
  QLabel *label = new QLabel(text, this);
  label->setWordWrap(true);
  label->setTextInteractionFlags(kTextFlags);
  