SARAJEVO, (Reuters) – Bosnia’s international peace overseer imposed changes to the election law aimed to prevent blockades of a regional government after polls closed in presidential and parliamentary vote on Sunday. Former German politician Christian Schmidt, who has vast powers as international High Representative in Bosnia, acted to enable a more effective work of the government and parliament of the country’s autonomous Bosniak-Croat Federation. “It is crucial for destiny of this country that there will be no blockades,” Schmidt said addressing public in a Youtube message. (Reporting by Da…