Information in the progress window (example: rescan) is displayed capped to fixed size instead of contents.

<img width="209" alt="screenshot 2018-12-21 at 14 58 20" src="https://user-images.githubusercontent.com/26601261/50345943-0bbd4300-0531-11e9-9c6c-e277ac69eb0c.png">

setWindowTitle(windowTitle);
    rpcConsole = new RPCConsole(node, _platformStyle, nullptr);
    helpMessageDialog = new HelpMessageDialog(node, this, false);
#ifdef ENABLE_WALLET
    if(enableWallet)
    {
        
        walletFrame = new WalletFrame(_platformStyle, this);
        setCentralWidget(walletFrame);
    } else
#endif 
    {
        /* When compiled without wallet or -disablewallet is provided,
         * the central widget is the rpc console.
         */
        setCentralWidget(rpcConsole);
        Q_EMIT consoleShown(rpcConsole);
    }
    
    setAcceptDrops(true);
    
    
    createActions();
    
    createMenuBar();
    
    createToolBars();
    
    if (QSystemTrayIcon::isSystemTrayAvailable()) {
        createTrayIcon(networkStyle);