[fix] API: /node/summary: ucoin –> duniter.
[fix] API: /node/summary: ucoin –> duniter.

blaurent49/duniter,duniter/duniter,duniter/duniter,duniter/duniter,duniter/duniter,blaurent49/duniter,blaurent49/duniter,blaurent49/duniter,duniter/duniter,duniter/duniter