Added new block textures from snapshot 13w36b.
Added podzol block (temporarily!).
Provisionally fixed just another multithreading segfault problem...
Merge branch 'master' into mc1.7
Added packed ice instead of podzol.
Merge branch 'extendet_config' of https://github.com/m0r13/mapcrafter into mc1.7
Cleanup CMake build system using find_package() commands for required libraries.
Fixed small typo in README.md
Updated 'Using mapcrafter' doc section for new config file format.
Moved textures.cpp/h to blockimages.cpp/h.
Removed unnecessary imports render.h and blockimages.h from tile.cpp/h.
Moved texture related stuff to blocktextures.cpp/h.
Created separate textureimage.cpp/h for TextureImage.
gen_texture_code.py now generates directly blocktextures.cpp/h.
Generated blocktextures.cpp/h.
Changed the docs in the wrong branch. Reverted.
Added CMake target to generate blocktextures.
Added some large flowers.
Added some more flower, also not yet tested.
Added grassless dirt and podzol (also not yet tested).