Use correct matrix for render nodes.

Change-Id: I8c137383fa32a64ba64ffb4ed48aa123d0ebf000
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>

Conflicts:
	src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp
Merge pull request #19 from sletta/rendernode-matrix

[qtdeclarative] Backport render node matrix patch from Qt 5.4