[EDIT] added evrything to namespace, also fixed includes

src/computervision/FaceDetector.h

@@ -1,7 +1,7 @@
 #pragma once
-
-#include<opencv\cv.h>
-
+#include"opencv2\opencv.hpp"
+#include <opencv2\imgproc\types_c.h>
+#include <opencv2/objdetect/objdetect_c.h>
 /*
  Author: Pierfrancesco Soffritti https://github.com/PierfrancescoSoffritti
 */
@@ -9,8 +9,11 @@
 using namespace cv;
 using namespace std;
 
-class FaceDetector {
-public:
-	FaceDetector(void);
-	void removeFaces(Mat input, Mat output);
-};
+namespace computervision
+{
+	class FaceDetector {
+	public:
+		FaceDetector(void);
+		void removeFaces(Mat input, Mat output);
+	};
+}