Added list of constraints to the tables page.

Last column shows the full textual definition until I have decided on
a better way to visualize the details.

pglab/ApplicationWindow.h

@@ -0,0 +1,22 @@
+#ifndef APPLICATIONWINDOW_H
+#define APPLICATIONWINDOW_H
+
+#include <QMainWindow>
+
+namespace Ui {
+class ApplicationWindow;
+}
+
+class ApplicationWindow : public QMainWindow
+{
+	Q_OBJECT
+
+public:
+	explicit ApplicationWindow(QWidget *parent = 0);
+	~ApplicationWindow();
+
+private:
+	Ui::ApplicationWindow *ui;
+};
+
+#endif // APPLICATIONWINDOW_H