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/build.sh b/HelloWorld/build.sh
index 6c7b833..d5308ef 100755
--- a/HelloWorld/build.sh
+++ b/HelloWorld/build.sh
@@ -66,6 +66,7 @@
     -I"${CONTRIB_PATH}/${CONTRIB_PLATFORM}/include/opencv4" \
     -I"${PLUGINS_LIB}" \
     ./../lib/accel.cpp \
+    ./../lib/frameUtils.cpp \
     CoinCircleMediaHandler.cpp \
     CenterCircleVideoSubscriber.cpp \
     CenterCircleMediaHandler.cpp \
@@ -182,7 +183,7 @@
         #=========================================================
 
         # Create so destination folder
-        $CXX --std=c++14 -O3 -g -fPIC \
+        $CXX --std=c++17 -O3 -g -fPIC \
         -Wl,-Bsymbolic,-rpath,"\${ORIGIN}" \
         -shared \
         -Wall -Wextra \
@@ -195,6 +196,7 @@
         -I"${CONTRIB_PATH}/${CONTRIB_PLATFORM}/include/opencv4" \
         -I"${PLUGINS_LIB}" \
         ./../lib/accel.cpp \
+        ./../lib/frameUtils.cpp \
         CoinCircleMediaHandler.cpp \
         CenterCircleVideoSubscriber.cpp \
         CenterCircleMediaHandler.cpp \