Added data logging

Manager.h

@@ -2,6 +2,7 @@
 #define MANAGER_H
 
 #include <QObject>
+#include <QFile>
 
 class Manager : public QObject {
 
@@ -12,6 +13,8 @@ private:
 	float _dist[4];
 	float _stdDev[4];
 
+	std::shared_ptr<QFile> dataLogger;
+
 public:
 
 	Q_PROPERTY(float dist1 READ getDist1() NOTIFY distChanged)
@@ -26,6 +29,7 @@ public:
 
 
 	Q_INVOKABLE void trigger();
+	Q_INVOKABLE void stop();
 
 	void onData(std::string str);