nicolas/Almond @ e217cccca2d91f43083b659466204c7da41e27a2

Nicolas Winkler e217cccca2 fixing averror		5 lat temu
..
include	9255d422ac yes	5 lat temu
lpng1637	20e23c354b re-adding png libtest	5 lat temu
src	e217cccca2 fixing averror	5 lat temu
zlib-1.2.11	23ecd61563 adding libpng and zlib	5 lat temu
CMakeLists.txt	2e5727757e using libpng	5 lat temu