[DF-3919] const getter for introspection property
[DF-3919] mipmap normalization for PNG and PVR
[DF-3919] normal-map normalization for dxt and fix pvr normalization
[DF-3919] normal-map normalization for atc format
[DF-3919] normalize mip-level 0 for PVR nad PNG
[DF-3919] Fix mipmaps normalizing
[DF-185] Merge feature-new-lighting
[DF-3919] Fix after merge
[DF-3919] review fixes
[DF-185] Merge feature-new-lighting
Merge branch 'feature-new-lighting' into normal-mip-maps
Merge branch 'feature-new-lighting' into normal-mip-maps
Merge branch 'feature-new-lighting' into normal-mip-maps