interface changes

added new data-strcutures for new sensors
new helper methods
fixed some issues

sensors/radio/AccessPoint.h

@@ -45,6 +45,11 @@ public:
 		;
 	}
 
+	/** equals? */
+	bool operator == (const AccessPoint& o) {
+		return (o.mac == mac) && (o.ssid == ssid);
+	}
+
 public:
 
 	/** get the AP's MAC address */