fix(bin/linja): use ninja binaries at leanprover.github.io
fix(bin/linja): use ninja binaries at leanprover.github.io

fix #118

soonhokong/lean-windows,avigad/lean,sp3ctum/lean,levnach/lean,avigad/lean,fpvandoorn/lean2,eigengrau/lean,digama0/lean,sp3ctum/lean,leanprover/lean,leanprover/lean,fgdorais/lean,johoelzl/lean,johoelzl/lean,leodemoura/lean,leodemoura/lean,soonhokong/lean,avigad/lean,eigengrau/lean,eigengrau/lean,rlewis1988/lean,Kha/lean,soonhokong/lean-osx,avigad/lean,soonhokong/lean-windows,dselsam/lean,sp3ctum/lean,levnach/lean,leanprover/lean,soonhokong/lean-osx,c-cube/lean,leanprover/lean,fpvandoorn/lean,digama0/lean,dselsam/lean,rlewis1988/lean,htzh/lean,johoelzl/lean,UlrikBuchholtz/lean,fpvandoorn/lean,digama0/lean,leodemoura/lean,fpvandoorn/lean,javra/lean,soonhokong/lean-windows,soonhokong/lean,digama0/lean,johoelzl/lean,UlrikBuchholtz/lean,johoelzl/lean,leanprover-community/lean,eigengrau/lean,UlrikBuchholtz/lean,leodemoura/lean,levnach/lean,rlewis1988/lean,soonhokong/lean,fpvandoorn/lean,soonhokong/lean-osx,Kha/lean,rlewis1988/lean,leanprover-community/lean,dselsam/lean,avigad/lean,soonhokong/lean,levnach/lean,dselsam/lean,Kha/lean,c-cube/lean,leodemoura/lean,leanprover/lean,leanprover-community/lean,fpvandoorn/lean,fpvandoorn/lean2,johoelzl/lean,Kha/lean,fgdorais/lean,sp3ctum/lean,dselsam/lean,javra/lean,Kha/lean,fpvandoorn/lean2,htzh/lean,avigad/lean,fgdorais/lean,leanprover-community/lean,soonhokong/lean-osx,fpvandoorn/lean2,c-cube/lean,soonhokong/lean,htzh/lean,UlrikBuchholtz/lean,UlrikBuchholtz/lean,fgdorais/lean,javra/lean,htzh/lean,leodemoura/lean,soonhokong/lean-windows,Kha/lean,levnach/lean,htzh/lean,fgdorais/lean,javra/lean,sp3ctum/lean,soonhokong/lean-windows,fgdorais/lean,c-cube/lean,javra/lean,dselsam/lean,leanprover-community/lean,soonhokong/lean-osx,digama0/lean,fpvandoorn/lean,rlewis1988/lean,eigengrau/lean,rlewis1988/lean,leanprover-community/lean,fpvandoorn/lean2,leanprover/lean,digama0/lean,c-cube/lean