a lot!!! of changes

added main menu
added debug display
many debug widgets for plotting live data
worked on android live sensors
added offline-data sensor feeding
some dummy data sensors
worked on the map display
added ui debug for grid-points, particles and weights
added a cool dude to display the estimation
added real filtering based on the Indoor components
c++11 fixes for android compilation
online and offline filtering support
new resampling technique for testing
map loading via dialog

ui/menu/MainMenu.h

@@ -0,0 +1,36 @@
+#ifndef MAINMENU_H
+#define MAINMENU_H
+
+#include <QWidget>
+
+class QPushButton;
+
+class MainMenu : public QWidget {
+	Q_OBJECT
+
+public:
+
+	/** ctor */
+	explicit MainMenu(QWidget* parent);
+
+signals:
+
+	void onLoadButton();
+	void onStartButton();
+	void onDebugButton();
+	void onCameraButton();
+	void onTransparentButton();
+
+private:
+
+	QPushButton* getButton(const std::string& icon);
+
+	QPushButton* btnLoadMap;
+	QPushButton* btnStart;
+	QPushButton* btnDebug;
+	QPushButton* btnCamera;
+	QPushButton* btnTransparent;
+
+};
+
+#endif