many project window enhancements

project/effect.cpp

@@ -33,8 +33,8 @@ bool Effect::is_enabled() {
 }
 
 Effect* Effect::copy(Clip*) {return NULL;}
-void Effect::load(QXmlStreamReader* stream) {}
-void Effect::save(QXmlStreamWriter* stream) {}
+void Effect::load(QXmlStreamReader*) {}
+void Effect::save(QXmlStreamWriter*) {}
 /*void Effect::import_values(float* val, int count) {
     qDebug() << "[ERROR] import_values MUST be overridden";
 }