AudioFilter

- creates plugin with reverb filter
- adjusts HelloWorld and GreenScreen to fit audio/video handling from daemon
- some code cleanup

Change-Id: If4fda4dc67b9b3db14fc7395ebf3d510923b454b
GitLab: #3
diff --git a/HelloWorld/CenterCircleVideoSubscriber.h b/HelloWorld/CenterCircleVideoSubscriber.h
index 8fb9c02..512d7f2 100644
--- a/HelloWorld/CenterCircleVideoSubscriber.h
+++ b/HelloWorld/CenterCircleVideoSubscriber.h
@@ -20,15 +20,11 @@
 
 #pragma once
 
-// AvFrame
 extern "C" {
 #include <libavutil/frame.h>
 }
 #include <observer.h>
-
-// Frame Scaler
-#include <framescaler.h>
-
+#include <frameScaler.h>
 #include <opencv2/core.hpp>
 
 namespace jami {