moved several files around

Mostly moved classes that became node derivatives into the node/ folder.

app/node/block/transition/crossdissolve/crossdissolvetransition.h

@@ -31,6 +31,8 @@ class CrossDissolveTransition : public TransitionBlock
 public:
   CrossDissolveTransition();
 
+  NODE_DEFAULT_DESTRUCTOR(CrossDissolveTransition)
+
   virtual Node* copy() const override;
 
   virtual QString Name() const override;

app/node/block/transition/diptocolor/diptocolortransition.h

@@ -31,6 +31,8 @@ class DipToColorTransition : public TransitionBlock
 public:
   DipToColorTransition();
 
+  NODE_DEFAULT_DESTRUCTOR(DipToColorTransition)
+
   virtual Node* copy() const override;
 
   virtual QString Name() const override;

app/node/block/transition/transition.h

@@ -31,6 +31,8 @@ class TransitionBlock : public Block
 public:
   TransitionBlock();
 
+  NODE_DEFAULT_DESTRUCTOR(TransitionBlock)
+
   virtual Type type() const override;
 
   virtual void Retranslate() override;