def vote
      @translation = Translation.find(params[:translation_id])
      current_user.likes(@translation)
      respond_to do |format|
        format.js
      end
    end
def vote
      @translation = Translation.find(params[:translation_id])
      current_user.likes(@translation)
      respond_to do |format|
        format.js
      end
    end
POST /translations/1/vote