Added more info about transparency sort table.
Added more info about transparency sort table.

bkaradzic/bgfx,jdryg/bgfx,LWJGL-CI/bgfx,jdryg/bgfx,LWJGL-CI/bgfx,bkaradzic/bgfx,LWJGL-CI/bgfx,bkaradzic/bgfx,bkaradzic/bgfx,LWJGL-CI/bgfx,jdryg/bgfx,jdryg/bgfx