message: [UI] Make toobar icons bigger
diff: @@ -566,6 +566,7 @@ void BitcoinGUI::createToolBars()
  }
  toolbar->setMovable(false); // remove unused icon in upper left corner
  toolbar->setOrientation(Qt::Vertical);
  + toolbar->setIconSize(QSize(40,40));
  overviewAction->setChecked(true);
  /** Create additional container for toolbar and walletFrame and make it the central widget.
  