Most icons set correctly. Icons only seen in Windows (perhaps Mac).

I have not figured out how to set icons of daughter-windows, only dialogs.

companion/src/comparedialog.cpp

@@ -29,6 +29,7 @@ compareDialog::compareDialog(QWidget *parent, GeneralSettings *gg) :
     ui(new Ui::compareDialog)
 {
   ui->setupUi(this);
+  this->setWindowIcon(CompanionIcon("compare.png"));
   g_eeGeneral = gg;
   eepromInterface = GetEepromInterface();
   te = ui->textEdit;