The reason I am getting this error is that in Arch there is a newer version of libpng. I don't know when Debian/Ubuuntu will be upgrading to this version but it would be awesome to get fixed now.ICCP: cHRM chunk does not match sRBG
iCCP: known incorrect sRGB profiel
iCCP: cHRM chunk does not match sRGB
Here are a few links of people talking about how to fix this.
http://tex.stackexchange.com/questions/ ... gb-profile
Thanks for all your hardwork, it's coming along really well!