[DF-29] Added pixel lit materials
Merge branch 'feature-integration-new-materials' of github.com:dava/dava.framework into feature-integration-new-materials

Conflicts:
	Sources/Internal/Scene3D/SceneFile/SerializationContext.cpp
Merge branch 'feature-integration-new-materials' of github.com:dava/dava.framework into feature-integration-new-materials

Conflicts:
	Tools/ResourceEditor/Data/Materials/MaterialTree.config