[doc] Update a couple of link references
[doc] Update a couple of link references

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