fix for offset in mipmap, some omp optimizations, some debug printing, add hackish support for per face, per mip-map cubemapgen, add hackish support for merging mipmaps to one tiled exr from multiple files in exrmaketiled
Merge pull request #1 from fursund/optdebug

fix for offset in mipmap, some omp optimizations, some debug printing, a...