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

sensors/linux/WiFiSensorLinuxC.h

@@ -0,0 +1,49 @@
+#ifndef WIFISENSORLINUXC_H
+#define WIFISENSORLINUXC_H
+
+#ifdef LINUX_DESKTOP
+
+#include <errno.h>
+#include <netlink/errno.h>
+#include <netlink/netlink.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/ctrl.h>
+#include <linux/nl80211.h>
+#include <net/if.h>
+
+struct wifiChannels {
+	uint32_t* frequencies;	// array of frequencies
+	uint32_t numUsed;		// number of array elements
+};
+
+struct wifiScanResultEntry {
+	char mac[17];
+	int rssi;
+};
+
+struct wifiScanResult {
+	struct wifiScanResultEntry entries[128];
+	int numUsed;
+};
+
+struct wifiState {
+	struct nl_sock* socket;
+	int driverID;
+	int mcid;
+};
+
+/** get the driver used for scanning */
+int wifiGetDriver(struct wifiState* state);
+
+/** convert interface name to index number. 0 if interface is not present */
+int wifiGetInterfaceIndex(const char* name);
+
+/** trigger a scan on the given channels / the provided interface */
+int wifiTriggerScan(struct wifiState* state, int interfaceIndex, struct wifiChannels* channels);
+
+/** blocking get the result of a triggered scan */
+int wifiGetScanResult(struct wifiState* state, int interfaceIndex, struct wifiScanResult* res);
+
+#ifdef LINUX_DESKTOP
+
+#endif // WIFISENSORLINUXC_H