[DF-3541] remove excessive data from datanode
[DF-3541] remove children from data node
Merge commit 'c06b964ddeec1ad316bcac07412f1efa1f497f8e' into framework_0_5_5_datanode

Conflicts:
	Sources/Internal/Render/Material/NMaterial.cpp
Merge branch 'origin/framework_0_5_5'
DF-3527 material with fresnel based opacity
[DF-3613][DF-3614][DF-3615] fixes for review
Merge branch 'origin/framework_0_5_5'
DF-3527 Render pass small refactoring, shadow volume is renderlayer now
Merge branch 'origin/framework_0_5_5'
DF-3527 RenderPass refactoring
[DF-3489] grass implementation
[DF-3489] work in progress
DF-3527 water reflection refraction buffer rendering
DF-3527 fbos render fixed
[DF-3725] Fixed wrong bounding box for switchable entities
Merge branch 'framework_0_5_5' of https://github.com/dava/dava.framework into framework_0_5_5
Merge branch 'framework_0_5_5' into framework_0_5_5_grass
[DF-3525] Added draft grass editor
[DF-185] After merge compile fixes
Merge branch 'development' into framework_0_5_5_grass