code: function(str, maxLength, where) {
          if (!_.isString(str)) {
              return str;
          }
  
          var strLength = str.length;
  
          if (strLength <= maxLength) {
              return str;
          }
          
          // limit the length of the series name by dropping characters and inserting an ELLIPSIS where specified
          switch(where) {
              case 'start':
                  str = ELLIPSIS + str.substr(strLength - maxLength - 1);
                  break;
              case 'end':
                  str = str.substr(0, Math.floor(maxLength) - 1) + ELLIPSIS;
                  break;
              default:
                  str = str.substr(0, Math.floor(maxLength/2) - 1) + ELLIPSIS + str.substr(-1 * (Math.floor(maxLength/2) + 1));
          }
  
          return str;
      }
docs: Truncate string to a maxLength
  @param  {[type]} str       [description]
  @param  {[type]} maxLength [description]
  @param  {[type]} where     where to truncate and put the ellipsis (start, middle, or end). defaults to middle.
  @return {[type]}           [description]