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/AudioFilter/manifest.json b/AudioFilter/manifest.json
new file mode 100644
index 0000000..27a01ab
--- /dev/null
+++ b/AudioFilter/manifest.json
@@ -0,0 +1,5 @@
+{
+    "name": "AudioFilter",
+    "description": "Provides audio filter for audio and video calls: reverb",
+    "version": "0.1.0"
+}
\ No newline at end of file