Display execution log as a tab instead of a modal window

src/executionlog.h

@@ -0,0 +1,26 @@
+#ifndef EXECUTIONLOG_H
+#define EXECUTIONLOG_H
+
+#include <QWidget>
+
+namespace Ui {
+    class ExecutionLog;
+}
+
+class ExecutionLog : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit ExecutionLog(QWidget *parent = 0);
+    ~ExecutionLog();
+
+public slots:
+  void addLogMessage(const QString &msg);
+  void addBanMessage(const QString &msg);
+
+private:
+    Ui::ExecutionLog *ui;
+};
+
+#endif // EXECUTIONLOG_H