[lib] revert
[lib] revert

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