code: function formatOrder(totals) {
              let order = Object.keys(totals)
                  .sort((a, b) => {
                      if (totals[a] > totals[b]) return -1;
                      if (totals[a] === totals[b]) return 0;
  
                      return 1;
                  });
  
              let otherIndex = order.indexOf('Other');
  
              if (otherIndex >= 0) {
                  let other = order.splice(otherIndex, 1);
  
                  order = order.concat(other);
              }
  
              return order;
          }
docs: Takes an object with all topics as keys and their aggregate totals as values,
  sorts them into a list by descending total value and
  moves "Other" to the end
  @param  {Object} totals  Keys of all the topics and their corresponding totals
  @return {Array}          List of topic names in aggregate order