Fix invalid baudrates, change linux esptool binary to latest 64bit version

.gitignore

@@ -65,4 +65,12 @@ $RECYCLE.BIN/
 moc_*.cpp
 qrc_*.cpp
 Makefile
-*-build-*
+*-build-*
+
+# CLI Build files
+
+.qmake.stash
+esptool-gui
+moc_predefs.h
+tool-esptool
+ui_mainwindow.h

mainwindow.cpp

@@ -22,8 +22,6 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->baudBox->addItem(QStringLiteral("38400"), QSerialPort::Baud38400);
     ui->baudBox->addItem(QStringLiteral("57600"), QSerialPort::Baud57600);
     ui->baudBox->addItem(QStringLiteral("115200"), QSerialPort::Baud115200);
-    ui->baudBox->addItem(QStringLiteral("256000"), QSerialPort::Baud256000);
-    ui->baudBox->addItem(QStringLiteral("460800"), QSerialPort::Baud460800);
     ui->baudBox->setCurrentIndex(7); // Default 115200
 
     ui->filePathText->setDisabled(true);