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/debug/PlotWiFiScan.cpp

@@ -0,0 +1,53 @@
+#include "../misc/fixc11.h"
+#include "PlotWiFiScan.h"
+
+#include <QPainter>
+#include <QStaticText>
+
+PlotWiFiScan::PlotWiFiScan(QWidget *parent) : QWidget(parent) {
+
+	setMinimumWidth(96);
+	setMinimumHeight(96);
+
+	//setAutoFillBackground(false);
+
+}
+
+void PlotWiFiScan::add(const Timestamp ts, const WiFiMeasurements& data) {
+	(void) ts;
+	this->data = data;
+	QMetaObject::invokeMethod(this, "update", Qt::QueuedConnection);
+}
+
+void PlotWiFiScan::paintEvent(QPaintEvent* evt) {
+
+	(void) evt;
+	QPainter p(this);
+
+	const int x0 = 4;	const int xw = 150;
+	const int y0 = 3;
+	const int lh = 13;
+
+	int x = x0;
+	int y = y0;
+
+
+	p.fillRect(0,0,width(),height(),QColor(255,255,255,192));
+	p.setPen(Qt::black);
+	p.drawRect(0,0,width()-1,height()-1);
+
+	const QFont font("Arial", 9);
+	p.setFont(font);
+	p.setPen(Qt::black);
+
+	for (const WiFiMeasurement& m : data.entries) {
+		const std::string& mac = m.getAP().getMAC().asString();
+		std::string str = mac + ": " + std::to_string((int)m.getRSSI());
+		p.drawStaticText(x, y, QStaticText(str.c_str()));
+		y += lh;
+		if (y > 90) {y = y0; x += xw;}
+	}
+
+	p.end();
+
+}