Started work on extended config.
Added new block textures from snapshot 13w36b.
Added podzol block (temporarily!).
Provisionally fixed just another multithreading segfault problem...
Merge branch 'master' into mc1.7
Merge branch 'master' into extendet_config
Added packed ice instead of podzol.
Merge branch 'extendet_config' of https://github.com/m0r13/mapcrafter into mc1.7
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.
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).
Updated blocktextures.h/cpp with 1.7 textures.
Added proper packed ice texture.