Added a new class to easily expose the JSON metadata of supported effects in libopenshot. Fixed some bugs related to metadata, and a few bugs in the Mask effect (if initialized without a reader).

src/examples/Example.cpp

@@ -30,7 +30,6 @@
 #include <tr1/memory>
 #include "../../include/OpenShot.h"
 
-
 using namespace openshot;
 using namespace tr1;
 
@@ -38,6 +37,9 @@ using namespace tr1;
 int main(int argc, char* argv[])
 {
 
+	EffectInfo::Json();
+	return 0;
+
 //	FFmpegReader r110("/home/jonathan/apps/libopenshot/src/examples/piano-mono.wav");
 //	r110.Open();
 //