readme update
readme update

meleslilijing/director,pandoraui/director,lzhengms/director,ks3dev/director,andradedev/director,andradedev/director,fadeit/director,fadeit/director,maxogden/director,tanzhihang/director,vitalsource/director,sheldonzf/director,noxryan/director,pocketjoso/director,kiritoe/director,cpg1111/director,pocketjoso/director,tanzhihang/director,sheldonzf/director,ks3dev/director,mylikes/director,vitalsource/director,GerHobbelt/director,webx32/director,flatiron/director,webx32/director,stonegithubs/director,apeace/director,mylikes/director,pandoraui/director,kiritoe/director,cpg1111/director,meleslilijing/director,GerHobbelt/director,lzhengms/director,stonegithubs/director