refs #212, flightplan GUI

* similar to http://www.vatsim.net/fp/
* own form, own widget class as a trial to further modularize GUI components
* removed all view models (now encapsulated)
* tweaked style sheet

samples/blackgui/flightplanwidget.cpp

@@ -0,0 +1,17 @@
+#include "flightplanwidget.h"
+#include "ui_flightplanwidget.h"
+
+namespace BlackGui
+{
+    CFlightplanWidget::CFlightplanWidget(QWidget *parent) :
+        QFrame(parent),
+        ui(new Ui::CFlightplanWidget)
+    {
+        ui->setupUi(this);
+    }
+
+    CFlightplanWidget::~CFlightplanWidget()
+    {
+        delete ui;
+    }
+}