feat(emacs/lean-flycheck): override flycheck-try-parse-error-with-pattern
feat(emacs/lean-flycheck): override flycheck-try-parse-error-with-pattern

For lean-mode, we override flycheck-try-parse-error-with-pattern to
increase column number by 1. It uses defadvice.

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