feat(emacs/lean-type): output INFO to *lean-info* buffer in addition to minibuffer
feat(emacs/lean-type): output INFO to *lean-info* buffer in addition to minibuffer

Close #260

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