implement entire project in nodes

Project items are now represented directly in nodes opening up more versatility and possibilities. This is the first iteration of this and will be buggy. Need to test thoroughly.

app/node/output/track/track.cpp

@@ -138,7 +138,7 @@ void Track::SetTrackHeight(const double &height)
   emit TrackHeightChangedInPixels(GetTrackHeightInPixels());
 }
 
-void Track::LoadInternal(QXmlStreamReader *reader, XMLNodeData &)
+void Track::LoadInternal(QXmlStreamReader *reader, XMLNodeData &, uint , const QAtomicInt* )
 {
   while (XMLReadNextStartElement(reader)) {
     if (reader->name() == QStringLiteral("height")) {
@@ -567,13 +567,13 @@ bool Track::IsLocked() const
   return locked_;
 }
 
-void Track::Hash(QCryptographicHash &hash, const rational &time) const
+void Track::Hash(const QString &output, QCryptographicHash &hash, const rational &time) const
 {
   Block* b = BlockAtTime(time);
 
   // Defer to block at this time, don't add any of our own information to the hash
   if (b) {
-    b->Hash(hash, TransformTimeForBlock(b, time));
+    b->Hash(output, hash, TransformTimeForBlock(b, time));
   }
 }