add what-is-glbinding figure
add what-is-glbinding figure

mcleary/glbinding,j-o/glbinding,mcleary/glbinding,j-o/glbinding,hpicgs/glbinding,cginternals/glbinding,j-o/glbinding,hpicgs/glbinding,mcleary/glbinding,cginternals/glbinding,hpicgs/glbinding,mcleary/glbinding,hpicgs/glbinding,j-o/glbinding