[DF-3254] add flag declarations
[DF-3267] add SwitchTemplate method to material
Merge branch 'feature-integration-new-materials' into development

Conflicts:
	Sources/Internal/Render/Material/NMaterial.cpp
	Sources/Internal/Render/Material/NMaterial.h
[DF-3254] added menu for switching visible textures (albedo|ambient|diffuse|specular)
Merge branch 'development' of https://github.com/dava/dava.framework into development