QNode parent changes

- introduce QNode::setParent(QNode *)
- QNode created with explicit parent now invoke
  QNodePrivate::_q_addChild
- QNode::cleanup introduces, need to be added to the
  dtor of every QT3D_CLONABLE QNode subclass. Handles
  proper destruction.
- QNode::cleanup added to all classes that should have it.
- Updated unit tests of Nodes, Entity, Scene

Change-Id: Id2c2784122a78edaae5580fe5976d88be5a1921c
Task-number: QTBUG-45947
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/render/frontend/qrenderattachment.h b/src/render/frontend/qrenderattachment.h
index 5cdd8113b..15706fb1d 100644
--- a/src/render/frontend/qrenderattachment.h
+++ b/src/render/frontend/qrenderattachment.h
@@ -92,6 +92,7 @@ public:
     Q_ENUM(CubeMapFace)
 
     explicit QRenderAttachment(QNode *parent = 0);
+    ~QRenderAttachment();
 
     void setType(RenderAttachmentType type);
     RenderAttachmentType type() const;