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/dialog/LoadSetupDialog.cpp

@@ -0,0 +1,73 @@
+#include "LoadSetupDialog.h"
+
+#include <QLabel>
+#include <QPushButton>
+#include <QListView>
+#include <QFile>
+#include <QDir>
+#include <QStringListModel>
+
+#include <iostream>
+
+#include <Indoor/Assertions.h>
+
+#include "../Config.h"
+
+LoadSetupDialog::LoadSetupDialog() {
+
+	// the folder all map-setups reside within
+	const std::string base = Config::getMapDir();
+	QDir mapFolder(QString(base.c_str()));
+
+	// sanity check. folder must exist
+	Assert::isTrue(mapFolder.exists(), "folder not found: " + base);
+
+	// get all subfolders (each subfolder descibres one setup), skip the first two folders: "." and ".."
+	QStringList subfolders = mapFolder.entryList(QDir::Dirs);
+	subfolders.removeFirst();
+	subfolders.removeFirst();
+//	for (int i = 2; i < subfolders.size(); ++i) {
+//		const QString subfolder = subfolders[i];
+//		std::cout << subfolder.toStdString() << std::endl;
+//	}
+
+	int w = 350;
+	int h = 350;
+
+	const QFont font("Arial", 20);
+
+	QListView* lst = new QListView(this);
+	lst->setGeometry(5,5,w-5-5,h-5-5);
+	lst->setFont(font);
+
+	QStringListModel* mdl = new QStringListModel(subfolders);
+	lst->setModel(mdl);
+
+	// list item selected
+	connect(lst, &QListView::clicked, [this, base, subfolders] (const QModelIndex& idx) {
+		const int i = idx.row();
+		selDir = base + subfolders[i].toStdString();
+		this->close();
+	});
+
+//	QPushButton* btnOK = new QPushButton(this);
+//	btnOK->setText("OK");
+//	btnOK->setGeometry(5,h-32-5,w-5-5,32);
+
+//	// OK button clicked
+//	btnOK->connect(btnOK, &QPushButton::clicked, [&] () {
+//		this->close();
+//	});
+
+	this->resize(w,h);
+
+}
+
+QDir LoadSetupDialog::pickSetupFolder() {
+
+
+	LoadSetupDialog dlg;
+	dlg.exec();
+	return QDir(QString(dlg.selDir.c_str()));
+
+}