[DF-2911] Fixes in static occlusion
DF-185 Exit from Sprite::PrepareForNewSize() if sprite's file path is empty
[DF-3956] Now all textures are exported, including those, that aren't created still
[DF-185] Fixed build
Merge branch 'development' of https://github.com/dava/dava.framework into development
[DF-185] Mac OS build fix
[DF-185] Merge development